tabulate: fix iterabale -> iterable typo in _statistic().

diff --git a/pygrader/tabulate.py b/pygrader/tabulate.py
index 4237b293ced2bb225e66fb1766f5e5c4e6142312..1236b842bfbeacc2cf30d84fff14b8948ebb7454 100644 (file)
--- a/pygrader/tabulate.py
+++ b/pygrader/tabulate.py
@@ -53,7 +53,7 @@ if _numpy is None:
 else:
     _statistics_container = _numpy.array
 
-def _statistic(iterabale, statistic):
+def _statistic(iterable, statistic):
     """Calculate statistics on an list of numbers
     """
     global _numpy_import_error