Make imports consistent across Python scripts, isort hookv6.4.0-beta3-packaging

-Add isort to Pipfile, isort hook with blackformatter profile
-Fix imports in unittest hook
-Group and sort imports by their category (PEP8)
-Blank line between import groups (PEP8)
-Move all imports to toplevel (PEP8)
-Don't unnecessarily append to sys.path (PEP8)
-Import only required functions (this also helps reduce line length)
-Update deprecated imports such as builtins.WindowsError, ConfigParser.readfp
-Remove Python 2, cyclic and unused imports
-Fix platform dependent imports and remove unnecessaty try-excepts
-Remove unnecessary comments before imports, use in-line comments when needed
-Rename conflicting functions in imports, variables as absolute imports are recommended (PEP8)

Change-Id: I5ac7a3499ea47a6bdc9a9a2b5211841f65c011ea
Reviewed-by: Akseli Salovaara <akseli.salovaara@qt.io>

1 files changed, 2 insertions, 2 deletions

diff --git a/packaging-tools/send_header_diff_kmail.py b/packaging-tools/send_header_diff_kmail.py
index 45f2334e7..10c3cba0b 100755
--- a/packaging-tools/send_header_diff_kmail.py
+++ b/packaging-tools/send_header_diff_kmail.py
@@ -53,8 +53,8 @@
 
 import argparse
 import os
-import subprocess
 import sys
+from subprocess import check_call
 
 
 def send_headers(version, message_id, simulate):
@@ -72,7 +72,7 @@ def send_headers(version, message_id, simulate):
             if simulate:
                 print("Simulate:", " ".join(args))
             else:
-                subprocess.check_call(args)
+                check_call(args)
 
 
 if __name__ == "__main__":