Fix some bugs on windows

gns3server/controller/topology.py

@@ -472,7 +472,6 @@ def _convert_snapshots(topo_dir):
                         for root, dirs, files in os.walk(snapshot_dir):
                             for file in files:
                                 myzip.write(os.path.join(root, file), os.path.relpath(os.path.join(root, file), snapshot_dir), compress_type=zipfile.ZIP_DEFLATED)
-                    shutil.copy(snapshot_arc, "/tmp/test.zip")
 
         shutil.rmtree(old_snapshots_dir)
 

gns3server/utils/__init__.py

@@ -17,17 +17,17 @@
 
 
 import re
+import os
 import textwrap
-import posixpath
-
+import pathlib
 
 def force_unix_path(path):
     """
     :param path: Path to convert
     """
 
-    path = path.replace("\\", "/")
-    return posixpath.normpath(path)
+    p = pathlib.Path(os.path.normpath(path))
+    return p.as_posix()
 
 
 def macaddress_to_int(mac_address):