Fix default run_name on windows

src/kogiri/__init__.py

@@ -418,6 +418,9 @@ def _default_run_name():
     main_file = getattr(sys.modules.get("__main__"), "__file__", "interactive")
     file_trail = os.path.splitext(os.path.basename(main_file))[0]
     now = datetime.datetime.now().isoformat()
+    # Replace colons on windows
+    if os.name == "nt":
+        run_name = run_name.replace(":", "_")
     return f"{file_trail}_{now}"
 
 

src/kogiri/torch.py

@@ -37,5 +37,7 @@ def summarize_module(module, key, dst):
 @declare_summarizer("torch.optim.Optimizer")
 def summarize_optimizer(optimizer, key, dst):
     state = optimizer.state_dict()
-    del state["param_groups"]
+    for param_group in state["param_groups"]:
+        # These are just some lists that clutter up the plotting
+        del param_group["params"]
     summarize(state, key, dst)