Merge pull request #506 from jgrewe/data_frame_print

fixes for DataFrame table_print function

Author: mpsonntag

nixio/data_frame.py

@@ -261,7 +261,9 @@ def print_table(self, row_sl=None, col_sl=None):
         row_form = "{:^10}" * (len(column) + 1)
         print(row_form.format("column:", *column))
         if self.units is not None:
-            print(row_form.format(" unit:", *self.units[col_sl]))
+            if None in self.units:
+                units = [u if u is not None else "" for u in self.units[col_sl]]
+            print(row_form.format(" unit:", *units))
         if not isinstance(row_sl, Iterable):
             ridx = list(range(len(self)))[row_sl]
         else:

nixio/hdf5/h5dataset.py

@@ -75,7 +75,6 @@ def _convert_string_cols(data):
 
         def conv_row(row):
             for field in str_cols:
-                print(field, row[field])
                 row[field] = ensure_str(row[field])
         if str_cols:
             if not data.shape: