windows: fix import of posix-only pwd module in d83f41634d06 (Issue #367)

kallithea/lib/utils2.py

@@ -31,7 +31,6 b' import binascii'
 import datetime
 import json
 import os
-import pwd
 import re
 import time
 import urllib.parse
@@ -45,6 +44,12 b' from kallithea.lib.vcs.utils import asci'
 from kallithea.lib.vcs.utils.lazy import LazyProperty
 
 
+try:
+    import pwd
+except ImportError:
+    pass
+
+
 # mute pyflakes "imported but unused"
 assert ascii_bytes
 assert ascii_str
@@ -331,7 +336,7 b' def get_clone_url(clone_uri_tmpl, prefix'
     prefix = urllib.parse.unquote(parsed_url.path.rstrip('/'))
     try:
         system_user = pwd.getpwuid(os.getuid()).pw_name
-    except Exception: # TODO: support all systems - especially Windows
+    except NameError: # TODO: support all systems - especially Windows
         system_user = 'kallithea' # hardcoded default value ...
     args = {
         'scheme': parsed_url.scheme,