resolves #10

jbogaardt · Nov 8, 2021 · ffca3f5 · ffca3f5
1 parent 51354e5
commit ffca3f5
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/xlcompose/core.py b/xlcompose/core.py
@@ -586,11 +586,11 @@ def _format_validation(self, formats):
             idx = self.data.index.to_frame().dtypes
             idx.index = [self.data.columns.name]
         else:
-            idx = pd.Series()
+            idx = pd.Series(dtype='object')
         cols = self.data.dtypes.append(idx)
         self.formats = {
             k: self.base_formats.get(v, self.base_formats['object'])
-            for k, v in dict(cols).items()}
+            for k, v in dict(zip(cols.index, cols.values)).items()}
         if type(formats) is list:
             self.formats.update(dict(zip(self.data.columns, formats)))
         elif type(formats) is str: