Updated

Scripts/Animation/dwpicker/scripts/clean_reload_dwpicker.py

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+"""
+A developper hack to reload the Dreamwall picker without having to restart
+Maya each time.
+"""
+
+
+# If the picker is not in a known PYTHONPATH.
+import sys
+sys.path.insert(0, "<dwpicker path>")
+
+# Code to clean modules and relaunch a Dreamwall picker with updated code.
+try:
+    # Important step to not let some callbacks left behind.
+    dwpicker.close()
+except:
+    pass
+
+for module in list(sys.modules):
+    if "dwpicker" in module:
+        print("deleted: " + module)
+        del sys.modules[module]
+
+import dwpicker
+dwpicker.show()