fix remote task error

rowers/dataprepnodjango.py

@@ -866,6 +866,8 @@ def update_agegroup_db(age,sex,weightcategory,wcdurations,wcpower,
     df['sex'] = sex
     df['age'] = age
     df['weightcategory'] = weightcategory
+    df.replace([np.inf,-np.inf],np.nan,inplace=True)
+    df.dropna(axis=0,inplace=True)
 
     if debug:
         engine = create_engine(database_url_debug, echo=False)