Fix errors found by a new pycodestyle 2.4

Fixes: #160.

Author: stanislavlevin

gssapi/raw/cython_converters.pxd

@@ -32,5 +32,5 @@ cdef inline object c_c_ttl_to_py(OM_uint32 ttl):
 cdef inline bint c_compare_oids(gss_OID a, gss_OID b):
     """Compare two OIDs to see if they are the same."""
 
-    return (a.length == b.length and
-            not memcmp(a.elements, b.elements, a.length))
+    return (a.length == b.length and not
+            memcmp(a.elements, b.elements, a.length))

gssapi/raw/oids.pyx

@@ -8,8 +8,8 @@ from libc.stdlib cimport free, malloc
 from gssapi.raw.cython_types cimport gss_OID
 
 cdef inline bint c_compare_oids(gss_OID a, gss_OID b):
-    return (a.length == b.length and
-            not memcmp(a.elements, b.elements, a.length))
+    return (a.length == b.length and not
+            memcmp(a.elements, b.elements, a.length))
 
 
 cdef class OID:

setup.py

@@ -218,7 +218,7 @@ def gssapi_modules(lst):
     return res
 
 
-long_desc = re.sub('\.\. role:: \w+\(code\)\s*\n\s*.+', '',
+long_desc = re.sub(r'\.\. role:: \w+\(code\)\s*\n\s*.+', '',
                    re.sub(r':(python|bash|code):', '',
                           re.sub(r'\.\. code-block:: \w+', '::',
                                  open('README.txt').read())))