Update windows tk work-a-round: pypa/virtualenv#93

untested

Author: jedie

dragonpy/__init__.py

@@ -1,4 +1,3 @@
-import imp
 import os
 import sys
 
@@ -55,11 +54,14 @@ def fix_virtualenv_tkinter():
     virtualprefix = sys.base_prefix
     sys.base_prefix = sys.real_prefix
 
-    from tkinter import _fix
-
-    if "TCL_LIBRARY" not in os.environ:
-        from imp import reload
-        imp.reload(_fix)
+    try:
+        from tkinter import _fix
+    except ImportError as err:
+        print(f'Can not apply windows tkinter fix: {err}')
+    else:
+        if "TCL_LIBRARY" not in os.environ:
+            from importlib import reload
+            reload(_fix)
 
     sys.base_prefix = virtualprefix