Remove extras spaces

cibuildwheel/macos.py

@@ -50,7 +50,7 @@ def build(project_dir, output_dir, test_command, test_requires, test_extras, bef
         return subprocess.check_call(args, env=env, cwd=cwd, shell=shell)
 
     # get latest pip once and for all
-    
+
     call(['curl', '-L', '--retry', '3', '--retry-delay', '3', '-o', get_pip_script, get_pip_url])
 
     for config in python_configurations:

cibuildwheel/windows.py

@@ -63,7 +63,7 @@ def build(project_dir, output_dir, test_command, test_requires, test_extras, bef
         print('+ ' + ' '.join(args))
         args = ['cmd', '/E:ON', '/V:ON', '/C'] + args
         return subprocess.check_call(' '.join(args), env=env, cwd=cwd)
-    
+
     def download(url, dest):
         print('+ Download ' + url + ' to ' + dest)
         dest_dir = os.path.dirname(dest)
@@ -75,7 +75,7 @@ def build(project_dir, output_dir, test_command, test_requires, test_extras, bef
                 response = urlopen(url)
             except:
                 if i == repeat_num - 1:
-                    raise 
+                    raise
                 sleep(3)
                 continue
             break
@@ -85,7 +85,7 @@ def build(project_dir, output_dir, test_command, test_requires, test_extras, bef
                 file.write(response.read())
         finally:
             response.close()
-    
+
     if IS_RUNNING_ON_AZURE or IS_RUNNING_ON_TRAVIS:
         shell = simple_shell
     else: