[TD-2915]<fix>: python connector cursor iter next() function. (#5875)

Co-authored-by: NShuduo Sang <sdsang@taosdata.com>

src/connector/python/linux/python2/setup.py

@@ -5,7 +5,7 @@ with open("README.md", "r") as fh:
 
 setuptools.setup(
     name="taos",
-    version="2.0.7",
+    version="2.0.8",
     author="Taosdata Inc.",
     author_email="support@taosdata.com",
     description="TDengine python client package",

src/connector/python/linux/python2/taos/cursor.py

@@ -42,7 +42,7 @@ class TDengineCursor(object):
     def __iter__(self):
         return self
 
-    def __next__(self):
+    def next(self):
         if self._result is None or self._fields is None:
             raise OperationalError("Invalid use of fetch iterator")