pyodide/packages/pyparsing/patches/dummy_threading.patch

--- pyparsing-2.2.0/pyparsing.py
+++ pyparsing-2.2.0/pyparsing.py
@@ -124,7 +124,10 @@
 try:
     from _thread import RLock
 except ImportError:
-    from threading import RLock
+    try:
+        from threading import RLock
+    except ImportError:
+        from dummy_threading import RLock

 try:
     # Python 3