bug fix hopefully

rowers/dataprep.py

@@ -1421,6 +1421,7 @@ def read_cols_df_sql(ids, columns, convertnewtons=True):
     columns = [x for x in columns if x != 'None']
     columns = list(set(columns))
     cls = ''
+    ids = [int(id) for id in ids]
     engine = create_engine(database_url, echo=False)
 
     for column in columns:

rowers/dataprepnodjango.py

@@ -503,6 +503,7 @@ def read_cols_df_sql(ids,columns,debug=False):
     columns = [x for x in columns if x != 'None']
     columns = list(set(columns))
     cls = ''
+    ids = [int(id) for id in ids]
     if debug:
         engine = create_engine(database_url_debug, echo=False)
     else: