bug fix

pipeline.py

@@ -33,7 +33,7 @@ class Components :
 		if 'limit' in args :
 			SQL = SQL + 'LIMIT ' + args['limit']
 		credentials = service_account.Credentials.from_service_account_file('/home/steve/dev/aou/accounts/curation-prod.json')
-		df = pd.read_gbq(SQL,credentials=credentials,dialect='standard').dropna()
+		df = pd.read_gbq(SQL,credentials=credentials,dialect='standard')
 		return df
 		
 		# return lambda: pd.read_gbq(SQL,credentials=credentials,dialect='standard')[args['columns']].dropna()
@@ -51,7 +51,9 @@ class Components :
 		# @TODO: we need to log something here about the parameters being passed
 		pointer  = args['reader'] if 'reader' in args else lambda: Components.get(**args)
 		df = pointer()
-
+		if df.shape[0] == 0 :
+			print ("CAN NOT TRAIN EMPTY DATASET ")
+			return 
 		#
 		# Now we can parse the arguments and submit the entire thing to training
 		#