diff --git a/radicale/__init__.py b/radicale/__init__.py
index b842b6a..ebcfe16 100644
--- a/radicale/__init__.py
+++ b/radicale/__init__.py
@@ -90,6 +90,7 @@ class HTTPServer(server.HTTPServer):
 class HTTPSServer(HTTPServer):
     """HTTPS server."""
     PROTOCOL = "https"
+
     def __init__(self, address, handler):
         """Create server by wrapping HTTP socket in an SSL socket."""
         # Fails with Python 2.5, import if needed
diff --git a/radicale/acl/htpasswd.py b/radicale/acl/htpasswd.py
index bb2f26b..f641351 100644
--- a/radicale/acl/htpasswd.py
+++ b/radicale/acl/htpasswd.py
@@ -49,7 +49,7 @@ def _sha1(hash_value, password):
     """Check if ``hash_value`` and ``password`` match using sha1 method."""
     hash_value = hash_value.replace("{SHA}", "").encode("ascii")
     password = password.encode(config.get("encoding", "stock"))
-    sha1 = hashlib.sha1()
+    sha1 = hashlib.sha1() # pylint: disable=E1101
     sha1.update(password)
     return sha1.digest() == base64.b64decode(hash_value)
 
diff --git a/radicale/config.py b/radicale/config.py
index 1cf9dd6..8c37280 100644
--- a/radicale/config.py
+++ b/radicale/config.py
@@ -25,8 +25,6 @@ Give a configparser-like interface to read and write configuration.
 
 """
 
-# TODO: Use abstract filenames for other platforms
-
 import os
 import sys
 # Manage Python2/3 different modules
diff --git a/radicale/ical.py b/radicale/ical.py
index cff038f..b156741 100644
--- a/radicale/ical.py
+++ b/radicale/ical.py
@@ -135,7 +135,6 @@ class Calendar(object):
 
     def __init__(self, path):
         """Initialize the calendar with ``cal`` and ``user`` parameters."""
-        # TODO: Use properties from the calendar configuration
         self.encoding = "utf-8"
         self.owner = path.split("/")[0]
         self.path = os.path.join(FOLDER, path.replace("/", os.path.sep))
diff --git a/radicale/xmlutils.py b/radicale/xmlutils.py
index 11cb175..d300e0e 100644
--- a/radicale/xmlutils.py
+++ b/radicale/xmlutils.py
@@ -150,7 +150,7 @@ def propfind(path, xml_request, calendar, depth):
                 element.append(tag)
             elif tag == _tag("C", "supported-calendar-component-set"):
                 comp = ET.Element(_tag("C", "comp"))
-                comp.set("name", "VTODO")
+                comp.set("name", "VTODO") # pylint: disable=W0511
                 element.append(comp)
                 comp = ET.Element(_tag("C", "comp"))
                 comp.set("name", "VEVENT")