@@ -309,7 +309,7 @@ def gists_by(username, number=-1, etag=None):
 def issues_on(owner, repository, milestone=None, state=None, assignee=None,
               mentioned=None, labels=None, sort=None, direction=None,
               since=None, number=-1, etag=None):
-    """Iterate over issues on owner/repository.
+    r"""Iterate over issues on owner/repository.
 
     .. deprecated:: 1.2.0
 
 
@@ -31,7 +31,7 @@
 
 
 _pubsub_re = re.compile(
-    'https?://[\w\d\-\.\:]+/\w[\w-]+\w/[\w\._-]+/events/\w+'
+    r'https?://[\w\d\-\.\:]+/\w[\w-]+\w/[\w\._-]+/events/\w+'
 )
 
 
 
@@ -404,7 +404,7 @@ def following(self, number=-1, etag=None):
         return self._iter(int(number), url, ShortUser, etag=etag)
 
     def gpg_keys(self, number=-1, etag=None):
-        """Iterate over the GPG keys of this user.
+        r"""Iterate over the GPG keys of this user.
 
         .. versionadded:: 1.2.0
 
 
@@ -7,10 +7,12 @@
 from requests import compat
 
 # with thanks to https://code.google.com/p/jquery-localtime/issues/detail?id=4
-ISO_8601 = re.compile("^(-?(?:[1-9][0-9]*)?[0-9]{4})-(1[0-2]|0[1-9])-(3[0-1]|0"
-                      "[1-9]|[1-2][0-9])(T(2[0-3]|[0-1][0-9]):([0-5][0-9]):([0"
-                      "-5][0-9])(\.[0-9]+)?(Z|[+-](?:2[0-3]|[0-1][0-9]):[0-5]["
-                      "0-9])?)?$")
+ISO_8601 = re.compile(
+    r"^(-?(?:[1-9][0-9]*)?[0-9]{4})-(1[0-2]|0[1-9])-(3[0-1]|0"
+    r"[1-9]|[1-2][0-9])(T(2[0-3]|[0-1][0-9]):([0-5][0-9]):([0"
+    r"-5][0-9])(\.[0-9]+)?(Z|[+-](?:2[0-3]|[0-1][0-9]):[0-5]["
+    r"0-9])?)?$"
+)
 
 
 def timestamp_parameter(timestamp, allow_none=True):
Original file line number	Diff line number	Diff line change
`@@ -31,7 +31,7 @@`
`31`	`31`
`32`	`32`
`33`	`33`	`_pubsub_re = re.compile(`
`34`		`- 'https?://[\w\d\-\.\:]+/\w[\w-]+\w/[\w\._-]+/events/\w+'`
	`34`	`+ r'https?://[\w\d\-\.\:]+/\w[\w-]+\w/[\w\._-]+/events/\w+'`
`35`	`35`	`)`
`36`	`36`
`37`	`37`