filter row and column values

1 files changed, 4 insertions, 0 deletions

diff --git a/tablib/core.py b/tablib/core.py
index 3fc55cb..48758bd 100644
--- a/tablib/core.py
+++ b/tablib/core.py
@@ -948,6 +948,10 @@ class Dataset(object):
         if cols is None:
             cols = list(self.headers)
             
+        #filter out impossible rows and columns
+        rows = [row for row in rows if row in range(self.height)]
+        cols = [header for header in cols if header in self.headers]
+
         _dset = Dataset()
         
         #filtering rows and columns