flake8 replace bare except with except ImportError.

Author: rouilj

roundup/anypy/cookie_.py

@@ -4,7 +4,7 @@
     from http import cookies as Cookie
     from http.cookies import CookieError, BaseCookie, SimpleCookie
     from http.cookies import _getdate as get_cookie_date
-except:
+except ImportError:
     # Python 2.5-2.7
     from Cookie import CookieError, BaseCookie, SimpleCookie
     from Cookie import _getdate as get_cookie_date