BUG: Fix mismatched logic error in compatibility check

jtratner · jtratner · commit 6e0e2a1e3850 · 2014-09-07T02:59:50.000-07:00
diff --git a/pandas/compat/openpyxl_compat.py b/pandas/compat/openpyxl_compat.py
@@ -21,4 +21,4 @@ def is_compat():
     """
     import openpyxl
     ver = LooseVersion(openpyxl.__version__)
-    return LooseVersion(start_ver) < ver <= LooseVersion(stop_ver)
+    return LooseVersion(start_ver) <= ver < LooseVersion(stop_ver)
