Fix several issues found with flake8 (#1081)

tests/test_docs.py

@@ -18,7 +18,7 @@ SOURCE_DIRECTORIES = [
 def has_docutils():
     try:
         # noinspection PyUnresolvedReferences,PyPackageRequirements
-        import docutils
+        import docutils  # noqa
         return True
     except ImportError:
         return False
@@ -35,7 +35,7 @@ def rst_filenames():
         os.chdir(cwd)
 
 
-filenames = list(sorted(rst_filenames()))
+filenames = sorted(rst_filenames())
 assert filenames
 
 

tests/test_httpie.py

@@ -130,7 +130,7 @@ def test_form_POST_file_redirected_stdin(httpbin):
     <https://github.com/httpie/httpie/issues/840>
 
     """
-    with open(FILE_PATH) as f:
+    with open(FILE_PATH):
         r = http(
             '--form',
             'POST',

tests/test_output.py

@@ -4,7 +4,6 @@ from unittest import mock
 
 import json
 import os
-import tempfile
 import io
 from urllib.request import urlopen
 

tests/test_sessions.py

@@ -479,7 +479,7 @@ class TestCookieStorage(CookieTestBase):
         2. command line arg
         3. cookie already stored in session file
         """
-        r = http(
+        http(
             '--session', str(self.session_path),
             httpbin.url + set_cookie,
             'Cookie:' + cli_cookie,

tests/test_windows.py

@@ -1,6 +1,3 @@
-import os
-import tempfile
-
 import pytest
 from httpie.context import Environment
 

tests/utils/matching/test_matching.py

@@ -69,19 +69,19 @@ def test_assert_output_matches_body_and_separator():
 
 
 def test_assert_output_matches_body_r():
-    assert_output_matches(f'AAA\r', [Expect.BODY])
+    assert_output_matches('AAA\r', [Expect.BODY])
 
 
 def test_assert_output_matches_body_n():
-    assert_output_matches(f'AAA\n', [Expect.BODY])
+    assert_output_matches('AAA\n', [Expect.BODY])
 
 
 def test_assert_output_matches_body_r_body():
-    assert_output_matches(f'AAA\rBBB', [Expect.BODY])
+    assert_output_matches('AAA\rBBB', [Expect.BODY])
 
 
 def test_assert_output_matches_body_n_body():
-    assert_output_matches(f'AAA\nBBB', [Expect.BODY])
+    assert_output_matches('AAA\nBBB', [Expect.BODY])
 
 
 def test_assert_output_matches_headers_and_body():