Ensure that load only runs once

filmor · web-flow · commit baadc222c1eb · 2023-01-17T17:36:14.000+01:00
Fixes #2078.
diff --git a/pythonnet/__init__.py b/pythonnet/__init__.py
@@ -142,6 +142,8 @@ def load(runtime: Union[clr_loader.Runtime, str, None] = None, **params: str) ->
 
     if func(b"") != 0:
         raise RuntimeError("Failed to initialize Python.Runtime.dll")
+    
+    _LOADED = True
 
     import atexit
 
