modify exec error

docs/examples/python/schemaless_ws.py

@@ -1,19 +1,21 @@
 import taosws
 
+host = "localhost"
+port = 6041
 def prepare():
     conn = None
     try:
         conn = taosws.connect(user="root",
                             password="taosdata",
-                            host="localhost",
-                            port=6041)
+                            host=host,
+                            port=port)
 
         # create database
         rowsAffected = conn.execute(f"CREATE DATABASE IF NOT EXISTS power")
         assert rowsAffected == 0
 
     except Exception as err:
-        print(f"Failed to create db and table, err:{err}")
+        print(f"Failed to create db and table, db addrr:{host}:{port} ; ErrMessage:{err}")
         raise err
     finally:
         if conn:
@@ -32,8 +34,7 @@ def schemaless_insert():
     jsonDemo = [
         '{"metric": "metric_json","timestamp": 1626846400,"value": 10.3, "tags": {"groupid": 2, "location": "California.SanFrancisco", "id": "d1001"}}'
     ]
-    host = "localhost"
-    port = 6041
+
     try:
         conn = taosws.connect(user="root",
                               password="taosdata",
@@ -76,6 +77,6 @@ def schemaless_insert():
 if __name__ == "__main__":
     try:
         prepare()
-        schemaless_insert
+        schemaless_insert()
     except Exception as err:
           print(f"Failed to insert data with schemaless, err:{err}")   

docs/examples/python/stmt_native.py

@@ -7,8 +7,8 @@ numOfRow = 10
 
 conn = None
 stmt = None
-host="localhost",        
-port=6030,
+host="localhost"        
+port=6030
 try:
     conn = taos.connect(
         user="root",

docs/examples/python/stmt_ws.py

@@ -13,8 +13,8 @@ port=6041
 try:
     conn = taosws.connect(user="root",
                           password="taosdata",
-                          host="localhost",
-                          port=6041)
+                          host=host,
+                          port=port)
 
     conn.execute("CREATE DATABASE IF NOT EXISTS power")
     conn.execute("USE power")

docs/examples/python/tmq_native.py

@@ -50,7 +50,7 @@ from taos.tmq import Consumer
 
 def create_consumer():
     host = "localhost"
-    port = 6030
+    port = "6030"
     groupId = "group1"
     clientId = "1"
     try: