Merge pull request #7047 from xolox/setup-gnureadline-fix

Only force gnureadline in setup.py with bdist_wheel

instead of all bdists

setup.py

@@ -289,7 +289,7 b' install_requires = []'
 
 # add readline
 if sys.platform == 'darwin':
-    if any(arg.startswith('bdist') for arg in sys.argv) or not setupext.check_for_readline():
+    if 'bdist_wheel' in sys.argv[1:] or not setupext.check_for_readline():
         install_requires.append('gnureadline')
 elif sys.platform.startswith('win'):
     extras_require['terminal'].append('pyreadline>=2.0')