From e407afc49476e2f3dfb59f1476a09b2780837d75 Mon Sep 17 00:00:00 2001
From: Kenneth Reitz <me@kennethreitz.org>
Date: Thu, 15 Mar 2018 16:47:02 -0400
Subject: [PATCH] __init__.py

Signed-off-by: Kenneth Reitz <me@kennethreitz.org>
---
 requests/__init__.py   | 20 +++++++++++---------
 requests/structures.py |  2 +-
 requests/utils.py      |  2 +-
 3 files changed, 13 insertions(+), 11 deletions(-)

diff --git a/requests/__init__.py b/requests/__init__.py
index b21f3908..39f39ced 100644
--- a/requests/__init__.py
+++ b/requests/__init__.py
@@ -45,23 +45,23 @@ from .exceptions import RequestsDependencyWarning
 
 
 def check_compatibility(urllib3_version: str, chardet_version: str) -> None:
-    urllib3_version = urllib3_version.split('.')
+    urllib3_version = urllib3_version.split('.')  # type: ignore
     assert urllib3_version != [
         'dev'
     ]  # Verify urllib3 isn't installed from git.
     # Sometimes, urllib3 only reports its version as 16.1.
     if len(urllib3_version) == 2:
-        urllib3_version.append('0')
+        urllib3_version.append('0')  # type: ignore
     # Check urllib3 for compatibility.
     major, minor, patch = urllib3_version  # noqa: F811
-    major, minor, patch = int(major), int(minor), int(patch)
+    major, minor, patch = int(major), int(minor), int(patch)  # type: ignore
     # urllib3 >= 1.21.1, <= 1.22
-    assert major == 1
-    assert minor >= 21
-    assert minor <= 22
+    assert major == 1  # type: ignore
+    assert minor >= 21  # type: ignore
+    assert minor <= 22  # type: ignore
     # Check chardet for compatibility.
     major, minor, patch = chardet_version.split('.')[:3]
-    major, minor, patch = int(major), int(minor), int(patch)
+    major, minor, patch = int(major), int(minor), int(patch)  # type: ignore
     # chardet >= 3.0.2, < 3.1.0
     assert major == 3  # type: ignore
     assert minor < 1  # type: ignore
@@ -71,11 +71,13 @@ def check_compatibility(urllib3_version: str, chardet_version: str) -> None:
 def _check_cryptography(cryptography_version: str) -> None:
     # cryptography < 1.3.4
     try:
-        cryptography_version = list(map(int, cryptography_version.split('.')))
+        cryptography_version = list(
+            map(int, cryptography_version.split('.'))
+        )  # type: ignore
     except ValueError:
         return
 
-    if cryptography_version < [1, 3, 4]:
+    if cryptography_version < [1, 3, 4]:  # type: ignore
         warning = 'Old version of cryptography ({0}) may cause slowdown.'.format(
             cryptography_version
         )
diff --git a/requests/structures.py b/requests/structures.py
index 0d78cb6b..f49ccdcf 100644
--- a/requests/structures.py
+++ b/requests/structures.py
@@ -96,7 +96,7 @@ class HTTPHeaderDict(CaseInsensitiveDict):
         self.extend({} if data is None else data, **kwargs)
 
 
-    #
+    # 
     # We'll store tuples in the internal dictionary, but present them as a
     # concatenated string when we use item access methods.
     #
diff --git a/requests/utils.py b/requests/utils.py
index e7189ef6..ba23612d 100644
--- a/requests/utils.py
+++ b/requests/utils.py
@@ -180,7 +180,7 @@ def get_netrc_auth(
         netrc_path = None
         for f in NETRC_FILES:
             try:
-                loc = os.path.expanduser('~/{0}'.format(f))
+                loc = os.path.expanduser(f'~/{f}')
             except KeyError:
                 # os.path.expanduser can fail when $HOME is undefined and
                 # getpwuid fails. See http://bugs.python.org/issue20164 &