remove calls to change values to numeric since other values are stored as str

Author: georgemccabe

METdbLoad/ush/read_data_files.py

@@ -885,14 +885,12 @@ def read_data(self, load_flags, load_files, line_types):
                         all_stat.loc[mask &
                                      ((all_stat['5'].isnull()) |
                                      (all_stat['5'] == CN.NOTAV)), '5'] = '.5'
-                        all_stat['5'] = pd.to_numeric(all_stat['5'], errors='coerce')
 
                     if all_stat[CN.LINE_TYPE].eq(CN.CTS).any():
                         mask = (all_stat.line_type == CN.CTS)
                         all_stat.loc[mask &
                                      ((all_stat['96'].isnull()) |
                                      (all_stat['96'] == CN.NOTAV)), '96'] = '.5'
-                        all_stat['96'] = pd.to_numeric(all_stat['96'], errors='coerce')
 
                     if all_stat[CN.LINE_TYPE].eq(CN.MCTS).any():
                         mask = (all_stat.line_type == CN.MCTS)
@@ -902,7 +900,6 @@ def read_data(self, load_flags, load_files, line_types):
                             str(1/all_stat.loc[(all_stat.line_type == CN.MCTS) &
                                            ((all_stat['19'].isnull()) |
                                             (all_stat['19'] == CN.NOTAV)), '1'])
-                        all_stat['19'] = pd.to_numeric(all_stat['19'], errors='coerce')
 
             except (RuntimeError, TypeError, NameError, KeyError):
                 self.logger.error(
@@ -1186,7 +1183,6 @@ def read_data(self, load_flags, load_files, line_types):
                             # column 0 is Total, 1 is F, 2 is H
                             # column 3 is O (Oh) - if None, set to 0 (Zero)
                             vsdb_data.loc[vsdb_data['3'].isnull(), '3'] = '0'
-                            vsdb_data['3'] = pd.to_numeric(vsdb_data['3'], errors='coerce')
                             # fy = Total * F
                             vsdb_data['4'] = vsdb_data['0'].astype(
                                 float) * vsdb_data['1'].astype(float)