BUG @127 not seeing a memory leak yet

tests/leak_check.py

@@ -0,0 +1,44 @@
+#!/usr/bin/env python
+
+"""
+try to provoke the memory leak described
+
+https://github.com/prjemian/spec2nexus/issues/127
+
+file: /Users/hammonds/RSM_DATA/DanielHaskel/Brian-Nick/Fluorescence/lineup
+We don't have that one.
+"""
+
+
+import gc
+import os
+import resource
+from spec2nexus.spec import SpecDataFile
+import sys
+import time
+
+_path = os.path.dirname(__file__)
+# TESTFILE = "tests/data/issue119_data.txt"
+TESTFILE = os.path.join(_path, "data", "issue119_data.txt")
+
+
+def get_memory():
+    return resource.getrusage(resource.RUSAGE_SELF).ru_maxrss
+
+def task():
+    gc.collect()
+    before = get_memory()
+    # gc.set_debug(gc.DEBUG_LEAK)
+    a = SpecDataFile(TESTFILE)
+    after = get_memory()
+    a = None
+    gc.collect()
+    final = get_memory()
+
+    print(f"{before}  {after}  {final}")
+
+
+if __name__ == "__main__":
+    for i in range(65):
+        task()
+        time.sleep(1.0)