string conversion for column names before normalizing

CartoDB · Sep 6, 2017 · eb88554 · eb88554
1 parent dd900d0
commit eb88554
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/cartoframes/utils.py b/cartoframes/utils.py
@@ -57,7 +57,7 @@ def norm_colname(colname):
     """
     last_char_special = False
     char_list = []
-    for e in colname:
+    for e in str(colname):
         if e.isalnum():
             char_list.append(e.lower())
             last_char_special = False