diff --git a/taiga/mdrender/service.py b/taiga/mdrender/service.py
index a0fda0bd..83a424a1 100644
--- a/taiga/mdrender/service.py
+++ b/taiga/mdrender/service.py
@@ -1,18 +1,38 @@
 import hashlib
+import functools
+
 from django.core.cache import cache
 from django.utils.encoding import force_bytes
+
 from markdown import markdown
 from markdown.extensions.wikilinks import WikiLinkExtension
-from .gfm import (AutolinkExtension, AutomailExtension, HiddenHiliteExtension,
-                  SemiSaneListExtension, SpacedLinkExtension,
-                  StrikethroughExtension)
+from fn import F
+
+from .gfm import AutolinkExtension
+from .gfm import AutomailExtension
+from .gfm import HiddenHiliteExtension
+from .gfm import SemiSaneListExtension
+from .gfm import SpacedLinkExtension
+from .gfm import StrikethroughExtension
+
 from .processors.emoji import emoji
 from .processors.mentions import mentions
 from .processors.references import references
 
-from fn import F
+
+def _make_extensions_list(wikilinks_config=None):
+    return [AutolinkExtension(),
+            AutomailExtension(),
+            SemiSaneListExtension(),
+            SpacedLinkExtension(),
+            StrikethroughExtension(),
+            WikiLinkExtension(wikilinks_config),
+            "extra",
+            "codehilite"])
+
 
 def cache_by_sha(func):
+    @functools.wraps(func)
     def _decorator(project, text):
         sha1_hash = hashlib.sha1(force_bytes(text)).hexdigest()
         key = "{}-{}".format(sha1_hash, project.id)
@@ -23,23 +43,18 @@ def cache_by_sha(func):
             return cached
 
         returned_value = func(text)
-
         cache.set(key, returned_value, timeout=None)
         return returned_value
 
     return _decorator
 
+
 def _render_markdown(project, text):
-    wikilinks_config = {
-        "base_url": "#/project/{}/wiki/".format(project.slug),
-        "end_url": ""
-    }
-    return markdown(text, extensions=[
-        AutolinkExtension(), AutomailExtension(),
-        SemiSaneListExtension(), SpacedLinkExtension(),
-        StrikethroughExtension(), WikiLinkExtension(wikilinks_config), "extra",
-        "codehilite"
-    ])
+    wikilinks_config = {"base_url": "#/project/{}/wiki/".format(project.slug),
+                        "end_url": ""}
+    extenstions = _make_extensions_list(wikilinks_config=wikilinks_config)
+    return markdown(text, extensions=extensions)
+
 
 def _preprocessors(project, text):
     pre = F() >> mentions >> F(references, project)
@@ -49,10 +64,11 @@ def _postprocessors(project, html):
     post = F() >> emoji
     return post(html)
 
+
 #@cache_by_sha
 def render(project, text):
     renderer = F() >> F(_preprocessors, project) >> F(_render_markdown, project) >> F(_postprocessors, project)
-
     return renderer(text)
 
+
 __all__ = ['render']