Code quality improvements.

src/daemon.py

@@ -163,7 +163,7 @@ class Daemon(object):  # pragma: no cover
 
     def _cleanup(self, sig=None, frame=None):
         """
-        Remvoe pid files and call registered shutodnw callbacks.
+        Remove pid files and call registered shutodnw callbacks.
         """
         self.log.info("Received signal %s", sig)
         if os.path.exists(self.pid_file):

src/scriptform.py

@@ -87,8 +87,9 @@ class ScriptForm(object):
         file_contents = file(self.config_file, 'r').read()
         try:
             config = json.loads(file_contents)
-        except ValueError as e:
-            sys.stderr.write("Error in form configuration '{}': {}\n".format(self.config_file, e))
+        except ValueError as err:
+            sys.stderr.write("Error in form configuration '{}': {}\n".format(
+                self.config_file, err))
             sys.exit(1)
 
         static_dir = None

src/webapp.py

@@ -195,7 +195,8 @@ class ScriptFormWebApp(RequestHandler):
             if auth_header is not None:
                 # Validate the username and password
                 auth_unpw = auth_header.split(' ', 1)[1]
-                username, password = base64.decodestring(auth_unpw).split(":", 1)
+                username, password = base64.decodestring(auth_unpw).split(":",
+                                                                          1)
                 pw_hash = hashlib.sha256(password).hexdigest()
 
                 if username in form_config.users and \