From 6a610cb5d6e108dfa9c72809da04256d9b7236c9 Mon Sep 17 00:00:00 2001
From: Anthony Sottile <asottile@umich.edu>
Date: Sun, 14 Oct 2018 21:45:58 -0700
Subject: [PATCH] Defer setuptools import to save ~60ms on startup

(I ran this 5 times and picked a median result)

### before

```console
$ time flake8 --help > /dev/null

real    0m0.221s
user    0m0.199s
sys     0m0.020s
```

### after

```console
$ time flake8 --help > /dev/null

real    0m0.169s
user    0m0.144s
sys     0m0.020s
```
---
 src/flake8/main/debug.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/flake8/main/debug.py b/src/flake8/main/debug.py
index ca3827e..ac52494 100644
--- a/src/flake8/main/debug.py
+++ b/src/flake8/main/debug.py
@@ -4,8 +4,6 @@ from __future__ import print_function
 import json
 import platform
 
-import setuptools
-
 
 def print_information(option, option_string, value, parser,
                       option_manager=None):
@@ -65,4 +63,7 @@ def plugins_from(option_manager):
 
 def dependencies():
     """Generate the list of dependencies we care about."""
+    # defer this expensive import, not used outside --bug-report
+    import setuptools
+
     return [{'dependency': 'setuptools', 'version': setuptools.__version__}]