Don't pass an argument to cacheMinimize(). The arg is ignored.

src/BTrees/convert.py

@@ -21,8 +21,8 @@ def convert(old, new, threshold=200, f=None):
         n=n+1
         if n > threshold:
             get_transaction().commit(1)
-            old._p_jar.cacheMinimize(3)
+            old._p_jar.cacheMinimize()
             n=0
 
     get_transaction().commit(1)
-    old._p_jar.cacheMinimize(3)
+    old._p_jar.cacheMinimize()

src/ZEO/tests/speed.py

@@ -116,7 +116,7 @@ def work(db, results, nrep, compress, data, detailed, minimize, threadno=None):
             rt=d=p=v=None # release all references
             if minimize:
                 time.sleep(3)
-                jar.cacheMinimize(3)
+                jar.cacheMinimize()
 
 def main(args):
     opts, args = getopt.getopt(args, 'zd:n:Ds:LMt:U')