llvm: Disable leak checks on Pypy

Pypy's GC is not good enough to cleanup and works with many references.

Signed-off-by: Jan Vesely <[email protected]>

psyneulink/core/llvm/__init__.py

@@ -14,6 +14,7 @@
 import gc
 import inspect
 import numpy as np
+import platform
 import time
 from math import ceil, log2
 from psyneulink._typing import Set
@@ -283,6 +284,9 @@ def cleanup(check_leaks:bool=False):
         if len(c) > 0:
             gc.collect()
 
+        if platform.python_implementation() == 'PyPy':
+            return
+
         assert len(c) == 0, list(c)
     else:
         LLVMBuilderContext.clear_global()
@@ -297,8 +301,10 @@ def cleanup(check_leaks:bool=False):
             c._compilation_data.execution.values.clear()
             c._compilation_data.execution.history.clear()
 
-        # The set of active executions should be empty
-        for e in CompExecution.active_executions:
-            assert any(inspect.isframe(r) for r in gc.get_referrers(e))
+        if platform.python_implementation() != 'PyPy':
+
+            # The set of active executions should be empty
+            for e in CompExecution.active_executions:
+                assert any(inspect.isframe(r) for r in gc.get_referrers(e))
 
         CompExecution.active_executions.clear()