diff --git a/templates/base.html b/templates/base.html
index 96f11d6..f3009dd 100644
--- a/templates/base.html
+++ b/templates/base.html
@@ -68,7 +68,7 @@
                 <div class="col-lg-3 pt-6 px-4 d-none d-lg-block" >
                     {% block left_sidebar %}
                         {{ tinywiki_sidebar }}
-                    {% enblock left_sidebar %}
+                    {% endblock left_sidebar %}
                 </div>
                 <div class="col-lg-6">
                     <main>
diff --git a/tinywiki/context_processors b/tinywiki/context_processors.py
similarity index 80%
rename from tinywiki/context_processors
rename to tinywiki/context_processors.py
index 6878c17..6154842 100644
--- a/tinywiki/context_processors
+++ b/tinywiki/context_processors.py
@@ -2,9 +2,9 @@ from django.http import HttpRequest
 from django.utils.safestring import mark_safe
 from .models import SidebarSection
 
-def sidebar(request: HttpRequest):
+def sidebar(request: HttpRequest = None):
     sections = [
         section.widget
-        for section in SidebarSection.objects.filter(is_visible=True).order_by('-priority'):
+        for section in SidebarSection.objects.filter(is_visible=True).order_by('-priority')
     ]
     return {'tinywiki_sidebar': mark_safe("\n".join(sections))}
diff --git a/tinywiki/migrations/0004_sidebar.py b/tinywiki/migrations/0004_default_sidebar.py
similarity index 98%
rename from tinywiki/migrations/0004_sidebar.py
rename to tinywiki/migrations/0004_default_sidebar.py
index 694efb4..3b1ccc7 100644
--- a/tinywiki/migrations/0004_sidebar.py
+++ b/tinywiki/migrations/0004_default_sidebar.py
@@ -89,4 +89,5 @@ class Migration(migrations.Migration):
     ]
 
     operations = [
+        migrations.RunPython(create_tinywiki_sections),
     ]
diff --git a/tinywiki/parser/bbcode/formatters.py b/tinywiki/parser/bbcode/formatters.py
index d540a1f..d88c206 100644
--- a/tinywiki/parser/bbcode/formatters.py
+++ b/tinywiki/parser/bbcode/formatters.py
@@ -21,6 +21,8 @@ from .simple_formatters import SIMPLE_FORMATTERS  # noqa: F401
 # a list of tuples containig an tuple args and a dict of kwargs
 
 # a list of tuples containing an tuple of args and a dict of kwargs
+
+
 FORMATTERS=[
     (
         ('url', render_url),
diff --git a/tinywiki/parser/bbcode/simple_formatters.py b/tinywiki/parser/bbcode/simple_formatters.py
index 2d723f3..63b5da1 100644
--- a/tinywiki/parser/bbcode/simple_formatters.py
+++ b/tinywiki/parser/bbcode/simple_formatters.py
@@ -1,16 +1,16 @@
 
 SIMPLE_FORMATTERS = [
-    (('h1',"<h1>%(value)s</h1>"),{}),
-    (('h2',"<h2>%(value)s</h2>"),{}),
-    (('h3',"<h3>%(value)s</h3>"),{}),
-    (('h4',"<h4>%(value)s</h4>"),{}),
-    (('h5',"<h5>%(value)s</h5>"),{}),
-    (('h6',"<h6>%(value)s</h6>"),{}),
-    (('mark',"<mark>%(value)s</mark>"),{}),
-    (("strong","<strong>%(value)s</strong>"),{}),
-    (("em","<em>%(value)s</em>"),{}),
-    (("br","<br>"),{"standalone":True}),
-    (('copy',"&copy;"),{'standalone':True}),
-    (('reg',"&reg;"),{'standalone':True}),
-    (('trade',"&trade;"),{'standalone':True}),
+    (('h1', "<h1>%(value)s</h1>"), {}),
+    (('h2', "<h2>%(value)s</h2>"), {}),
+    (('h3', "<h3>%(value)s</h3>"), {}),
+    (('h4', "<h4>%(value)s</h4>"), {}),
+    (('h5', "<h5>%(value)s</h5>"), {}),
+    (('h6', "<h6>%(value)s</h6>"), {}),
+    (('mark', "<mark>%(value)s</mark>"), {}),
+    (("strong","<strong>%(value)s</strong>"), {}),
+    (("em", "<em>%(value)s</em>"), {}),
+    (("br", "<br>"), {"standalone":True}),
+    (('copy', "&copy;"), {'standalone':True}),
+    (('reg', "&reg;"), {'standalone':True}),
+    (('trade', "&trade;"), {'standalone':True}),
 ]
\ No newline at end of file
diff --git a/tinywiki/parser/bbcode/text_formatters.py b/tinywiki/parser/bbcode/text_formatters.py
index 8758f09..7580c7e 100644
--- a/tinywiki/parser/bbcode/text_formatters.py
+++ b/tinywiki/parser/bbcode/text_formatters.py
@@ -5,10 +5,10 @@ from django.utils.translation import gettext as _
 
 from ... import settings
 from ... import models
-import bbcode
+#import bbcode
 
 
-def render_url(tag_name:str,value,options,parent,context):
+def render_url(tag_name: str, value, options, parent, context) -> str:
     try:
         url = options['url']
     except KeyError:
@@ -19,15 +19,15 @@ def render_url(tag_name:str,value,options,parent,context):
 
     if settings.USE_BOOTSTRAP:
         if ['noicon in options']:
-            return f"<a href=\"{url}\" referrer-policy=\"no-referrer\" rel=\"noreferrer noopener\">{value}</a>"
-        return f"<a href=\"{url}\" class=\"icon-link icon-link-hover\" referrer-policy=\"no-referrer\" rel=\"noreferrer noopener\">{value}<svg class=\"bi\"><use xlink:href=\"{settings.settings.STATIC_URL + "tinywiki/icons/bootstrap-icons.svg"}#box-arrow-up-right\"></use></svg></a>"
-    return f"<a href=\"{url}\" referrer-policy=\"no-referrer\" rel=\"noreferrer noopener\">{value}</a>"
+            return f"<a href=\"{url}\" referrer-policy=\"no-referrer\" rel=\"noreferrer noopener\">{value}</a>"  # noqa: E501
+        return f"<a href=\"{url}\" class=\"icon-link icon-link-hover\" referrer-policy=\"no-referrer\" rel=\"noreferrer noopener\">{value}<svg class=\"bi\"><use xlink:href=\"{settings.settings.STATIC_URL + "tinywiki/icons/bootstrap-icons.svg"}#box-arrow-up-right\"></use></svg></a>"  # noqa: E501
+    return f"<a href=\"{url}\" referrer-policy=\"no-referrer\" rel=\"noreferrer noopener\">{value}</a>"  # noqa: E501
 
 
-def render_wiki_url(tag_name,value,options,parent,context):
+def render_wiki_url(tag_name: str, value, options, parent, context) -> str:
     if tag_name in options:
-        url = reverse("tinywiki:page",kwargs={'slug':options[tag_name]})
-        slug=options[tag_name]
+        url = reverse("tinywiki:page", kwargs={'slug': options[tag_name]})
+        slug = options[tag_name]
         try:
             page = models.Page.objects.get(slug=slug)
         except models.Page.DoesNotExist:
@@ -35,7 +35,7 @@ def render_wiki_url(tag_name,value,options,parent,context):
 
     else:
         url = reverse('tinywiki:home')
-        slug=None
+        slug = None
 
     if settings.USE_BOOTSTRAP:
         href = settings.settings.STATIC_URL+"tinywiki/icons/bootstrap-icons.svg"
@@ -45,15 +45,15 @@ def render_wiki_url(tag_name,value,options,parent,context):
             elif page.slug:
                 svg = "book"
         else:
-            svg=href + "file-earmark-x"
-        return f"<a href=\"{url}\" class=\"icon-link icon-link-hover\">{value}<svg class=\"bi\"><use xlink:href=\"{href}#{svg}\"></use></svg></a>"
+            svg = href + "file-earmark-x"
+        return f"<a href=\"{url}\" class=\"icon-link icon-link-hover\">{value}<svg class=\"bi\"><use xlink:href=\"{href}#{svg}\"></use></svg></a>"  # noqa: E501
     return f"<a href=\"{url}\">{value}</a>"
 
 
-def render_wiki_link(tag_name,value,options,parent,context):
+def render_wiki_link(tag_name: str, value, options, parent, context):
     if tag_name in options:
         slug = options[tag_name]
-        print("slug",slug)
+        print("slug", slug)
         try:
             page = models.Page.objects.get(slug=slug)
             title = page.title
@@ -65,7 +65,7 @@ def render_wiki_link(tag_name,value,options,parent,context):
             page = None
             title = _("Page not found")
             svg = "file-earmark-x"
-        url = reverse("tinywiki:page",kwargs={'slug':slug})
+        url = reverse("tinywiki:page", kwargs={'slug': slug})
     else:
         slug = None
         title = _("Home")
@@ -74,35 +74,35 @@ def render_wiki_link(tag_name,value,options,parent,context):
 
     if settings.USE_BOOTSTRAP:
         href = settings.settings.STATIC_URL + "tinywiki/icons/bootstrap-icons.svg"
-        return f"<a href=\"{url}\" class=\"icon-link icon-link-hover\">{title}<svg class=\"bi\"><use xlink:href=\"{href}#{svg}\"></use></svg></a>"
+        return f"<a href=\"{url}\" class=\"icon-link icon-link-hover\">{title}<svg class=\"bi\"><use xlink:href=\"{href}#{svg}\"></use></svg></a>"  # noqa: E501
     return f"<a href=\"{url}\">{value}</a>"
 
 
-def render_codeblock(tag_name:str,value,options,parent,context)->str:
+def render_codeblock(tag_name: str, value, options, parent, context) -> str:
     if tag_name in options:
-        return f"<pre style=\"overflow-x:auto;\"><code class=\"language-{options[tag_name]}\">{value}</pre></code>"
-    return f"<pre style=\"overflow-x:auto;\"><code>{value}</pre></code>"
+        return f"<pre style=\"overflow-x:auto;\"><code class=\"language-{options[tag_name]}\">{value}</code></pre>"  # noqa: E501
+    return f"<pre style=\"overflow-x:auto;\"><code>{value}</code></pre>"
 
 
-def render_ordered_list(tag_name:str,value,options,parent,context)->str:
+def render_ordered_list(tag_name: str, value, options, parent, context) -> str:
     return f"<ol>{value}</ol>"
 
 
-def render_unordered_list(tag_name:str,value,options,parent,context)->str:
+def render_unordered_list(tag_name: str, value, options, parent, context) -> str:  # noqa: E501
     return f"<ul>{value}</ul>"
 
 
-def render_list_item(tag_name:str,value,options,parent,context)->str:
+def render_list_item(tag_name: str, value, options, parent, context) -> str:
     return f"<li>{value}</li>"
 
 
-def render_paragraph(tag_name: str, value, options, parent, context):
+def render_paragraph(tag_name: str, value, options, parent, context) -> str:
     if settings.USE_BOOTSTRAP:
         return f"<p style=\"text-align:justify;\">{value}</p>"
     return f"<p>{value}</p>"
 
 
-def render_image(tag_name: str, value, options, parent, context):
+def render_image(tag_name: str, value, options, parent, context) -> str:
     if tag_name not in options:
         return ""
 
@@ -187,9 +187,9 @@ def render_image(tag_name: str, value, options, parent, context):
     else:
         fig_style = ""
     if settings.USE_BOOTSTRAP:
-        return f'<figure class="{" ".join(fig_classes)} {fig_style}"><img src="{options[tag_name]}" class="{' '.join(classes)}" alt="{alt}" {style}><figcaption class="figure-caption text-end">{ value }</figcaption></figure>'
+        return f'<figure class="{" ".join(fig_classes)} {fig_style}"><img src="{options[tag_name]}" class="{' '.join(classes)}" alt="{alt}" {style}><figcaption class="figure-caption text-end">{value}</figcaption></figure>'  # noqa: E501
     else:
-        return f'<figure {fig_style}><img src="{options[tag_name]}" {style}><figcaption>{value}</figcaption></figure>'
+        return f'<figure {fig_style}><img src="{options[tag_name]}" {style}><figcaption>{value}</figcaption></figure>'  # noqa: E501
 
 
 def render_wiki_image(tag_name: str, value, options, parent, context):
@@ -202,8 +202,8 @@ def render_wiki_image(tag_name: str, value, options, parent, context):
         return ""
 
     if settings.USE_BOOTSTRAP:
-        classes = ["img-fluid","figure-img","rounded"]
-        fig_classes = ["figure","my-1"]
+        classes = ["img-fluid", "figure-img", "rounded"]
+        fig_classes = ["figure", "my-1"]
         styles = []
         fig_styles = []
     else:
@@ -237,9 +237,9 @@ def render_wiki_image(tag_name: str, value, options, parent, context):
             fig_styles.append(f"height:{_h};")
         else:
             if _h.endswith('%'):
-                _h= _h[:-1]
+                _h = _h[:-1]
             if _h.isdigit():
-                _h=int(_w)
+                _h = int(_w)
                 if _h > 100:
                     _h = 100
                 if settings.USE_BOOTSTRAP:
@@ -257,79 +257,125 @@ def render_wiki_image(tag_name: str, value, options, parent, context):
     if "position" in options:
         pos = options['position']
         if settings.USE_BOOTSTRAP:
-            if pos == "left" or pos=="start":
-                fig_classes += ["float-start","me-2"]
+            if pos == "left" or pos == "start":
+                fig_classes += ["float-start", "me-2"]
             elif pos == "right" or pos == "end":
-                fig_classes += ["float-end","ms-2"]
+                fig_classes += ["float-end", "ms-2"]
             elif pos == "center":
-                fig_classes += ["mx-auto","d-block"]
+                fig_classes += ["mx-auto", "d-block"]
 
     if styles:
-        style=f"style=\"{"".join(styles)}\""
+        style = f"style=\"{"".join(styles)}\""
     else:
-        style=""
+        style = ""
 
     if fig_styles:
-        fig_style=f'style="{"".join(fig_styles)}"'
+        fig_style = f'style="{"".join(fig_styles)}"'
     else:
-        fig_style=""
+        fig_style = ""
 
     if settings.USE_BOOTSTRAP:
-        return f'<figure class="{" ".join(fig_classes)}" {fig_style}><img src="{image.image.url}" alt="{image.alt}" class="{' '.join(classes)}" {style}><figcaption class="figure-caption text-end">{image.description_html}</figcaption></figure>'
+        return f'<figure class="{" ".join(fig_classes)}" {fig_style}><img src="{image.image.url}" alt="{image.alt}" class="{' '.join(classes)}" {style}><figcaption class="figure-caption text-end">{image.description_html}</figcaption></figure>'  # noqa: E501
     else:
-        return f'<figure {fig_style}><img src="{image.image.url}" alt="{image.alt}" {style}><figcaption>{image.description}</figcaption></figure>'
+        return f'<figure {fig_style}><img src="{image.image.url}" alt="{image.alt}" {style}><figcaption>{image.description}</figcaption></figure>'  # noqa: E501
 
 
-def render_table(tag_name:str,value,options,parent,context):
+def render_table(tag_name: str, value, options, parent, context) -> str:
     if settings.USE_BOOTSTRAP:
-        classes=["table"]
+        classes = ["table"]
         if "bordered" in options:
-            if options["bordered"] not in ("0","n","no","false","off"):
+            if options["bordered"] not in ("0", "n", "no", "false", "off"):
                 classes.append("table-bordered")
-            if options["bordered"] in ("primary","secondary","info","warning","danger","success","light","dark"):
+            if options["bordered"] in (
+                        "primary",
+                        "secondary",
+                        "info",
+                        "warning",
+                        "danger",
+                        "success",
+                        "light",
+                        "dark"
+                    ):
                 classes.append(f"border-{options['bordered']}")
 
         if tag_name in options:
-            if options[tag_name] in ("primary","secondary","info","warning","danger","success","light","dark"):
+            if options[tag_name] in (
+                        "primary",
+                        "secondary",
+                        "info",
+                        "warning",
+                        "danger",
+                        "success",
+                        "light",
+                        "dark"
+                    ):
                 classes.append(f"table-{options[tag_name]}")
 
         return f"<table class=\"{" ".join(classes)}\">{value}</table>"
 
     return f"<table>{value}</table>"
 
-def render_table_row(tag_name:str,value,options,parent,context):
+def render_table_row(tag_name: str, value, options, parent, context) -> str:
     classes=[]
     if settings.USE_BOOTSTRAP:
         if tag_name in options:
-            if options[tag_name] in ("primary","secondary","info","warning","danger","success","light","dark"):
+            if options[tag_name] in (
+                        "primary",
+                        "secondary",
+                        "info",
+                        "warning",
+                        "danger",
+                        "success",
+                        "light",
+                        "dark"
+                    ):
                 classes.append(f"table-{options[tag_name]}")
-    class_attr=f"class=\"{" ".join(classes)}\"" if classes else ""
+    class_attr = f"class=\"{" ".join(classes)}\"" if classes else ""
     return f"<tr {class_attr}>{value}</tr>"
 
-def render_table_header(tag_name:str,value,options,parent,context):
-    extra_attributes=[]
-    classes=[]
+
+def render_table_header(tag_name: str, value, options, parent, context) -> str:
+    extra_attributes = []
+    classes = []
     if "colspan" in options:
         extra_attributes.append(f"colspan=\"{options['colspan']}\"")
     if "rowspan" in options:
         extra_attributes.append(f"rowspan=\"{options['rowspan']}\"")
     if settings.USE_BOOTSTRAP:
         if tag_name in options:
-            if options[tag_name] in ("primary","secondary","info","warning","danger","success","light","dark"):
+            if options[tag_name] in (
+                        "primary",
+                        "secondary",
+                        "info",
+                        "warning",
+                        "danger",
+                        "success",
+                        "light",
+                        "dark"
+                    ):
                 classes.append(f"table-{options[tag_name]}")
-    class_attr=f"class=\"{" ".join(classes)}\"" if classes else ""
+    class_attr = f"class=\"{" ".join(classes)}\"" if classes else ""
     return f"<th {class_attr} {" ".join(extra_attributes)}>{value}</th>"
 
-def render_table_data(tag_name:str,value,options,parent,context):
-    extra_attributes=[]
-    classes=[]
+def render_table_data(tag_name: str, value, options, parent, context) -> str:
+    extra_attributes = []
+    classes = []
     if "colspan" in options:
         extra_attributes.append(f"colspan=\"{options['colspan']}\"")
     if "rowspan" in options:
         extra_attributes.append(f"rowspan=\"{options['rowspan']}\"")
     if settings.USE_BOOTSTRAP:
         if tag_name in options:
-            if options[tag_name] in ("primary","secondary","info","warning","danger","success","light","dark"):
+            if options[tag_name] in (
+                        "primary",
+                        "secondary",
+                        "info",
+                        "warning",
+                        "danger",
+                        "success",
+                        "light",
+                        "dark"
+                    ):
                 classes.append(f"table-{options[tag_name]}")
     class_attr = f"class=\"{" ".join(classes)}\"" if classes else ""
     return f"<td {class_attr} {" ".join(extra_attributes)}>{value}</td>"
@@ -369,7 +415,7 @@ def render_youtube_video(tag_name: str, value, options, parent, context):
             if _w.endswith('%'):
                 _w = _w[:-1]
             if _w.isdigit():
-                _w=int(_w)
+                _w = int(_w)
                 if _w > 100:
                     _w = 100
                 if settings.USE_BOOTSTRAP:
@@ -430,7 +476,7 @@ def render_youtube_video(tag_name: str, value, options, parent, context):
         div_style = ""
     if settings.USE_BOOTSTRAP:
         return f"""<div class=""{' '.join(div_classes)}" {div_style}>
-    <iframe class={" ".join(classes)}" src="https://www.youtube.com/embed/{options[tag_name]}?rel=0" allowfullscreen></iframe>
+    <iframe class="{' '.join(classes)}" src="https://www.youtube.com/embgit ed/{options[tag_name]}?rel=0" allowfullscreen></iframe>
 </div>"""
     else:
         return f'<div {div_style}><iframe src="https://www.youtube.com/embed/{options[tag_name]}?rel=0" allowfullscreen></iframe></div>'