better mypy compliance

Signed-off-by: Kenneth Reitz <me@kennethreitz.org>

requests/basics.py

@@ -22,9 +22,9 @@ from http.cookies import Morsel
 from io import StringIO
 
 
-builtin_str = str
-str = str
-bytes = bytes
+builtin_str = str   # type: ignore
+str = str   # type: ignore
+bytes = bytes   # type: ignore
 basestring = (str, bytes)
 numeric_types = (int, float)
 integer_types = (int,)

requests/models.py

@@ -52,11 +52,11 @@ from .status_codes import codes
 #: The set of HTTP status codes that indicate an automatically
 #: processable redirect.
 REDIRECT_STATI = (
-    codes.moved,               # 301
-    codes.found,               # 302
-    codes.other,               # 303
-    codes.temporary_redirect,  # 307
-    codes.permanent_redirect,  # 308
+    codes[301],
+    codes[302],
+    codes[303],
+    codes[303],
+    codes[308],
 )
 
 DEFAULT_REDIRECT_LIMIT = 30