Merge pull request #738 from tsuyoshicho/fix/http-python3-fliter

fix: http python3 fliter not list

Author: ujihisa

Changes

@@ -1,3 +1,7 @@
+97e8cf8b230cd69720e130742859b51f5761196c
+	Modules: Web.HTTP
+	Added python3 to HTTP client, and refined its default value.
+	Now 'python' client selects python3 or python2 automatically (python3 has a higher priority).
 b2dd494bd56486ef898fdb49467e5763e81cde71
 	Modules: Text.TOML
 	TOML support version v0.4.0 compliant -> v0.5.0 compliant

autoload/vital/__vital__/Web/HTTP.vim

@@ -597,7 +597,7 @@ try:
                         return None
                     if 0 < self.max_redirect:
                         self.max_redirect -= 1
-                    header_list = filter(None, str(headers).split("\r\n"))
+                    header_list = list(filter(None, str(headers).split("\r\n")))
                     responses.extend([[[status(code, msg)] + header_list, fp.read()]])
                     return urllib.request.HTTPRedirectHandler.redirect_request(self, req, fp, code, msg, headers, newurl)