Fix tests

Author: dhoomakethu

Makefile

@@ -42,11 +42,17 @@ check: install
 test: install
 	@pip install --upgrade --quiet --requirement=requirements-tests.txt
 ifeq ($(PYVER),3.6)
+	$(info Running tests on $(PYVER))
 	@pytest --cov=pymodbus/ --cov-report term-missing  test/test_server_asyncio.py test
 	@coverage report --fail-under=90 -i
-else
+else ifeq ($(PYVER),2.7)
+	$(info Running tests on $(PYVER))
 	@pytest --cov-config=.coveragerc --cov=pymodbus/ --cov-report term-missing --ignore test/test_server_asyncio.py test
 	@coverage report --fail-under=90 -i
+else
+	$(info Running tests on $(PYVER))
+	@pytest --cov=pymodbus/ --cov-report term-missing  test
+	@coverage report --fail-under=90 -i
 endif
 
 tox: install

pymodbus/client/asynchronous/tornado/__init__.py

@@ -315,7 +315,7 @@ def __init__(self, *args, **kwargs):
             self.silent_interval = 3.5 * self._t0
         self.silent_interval = round(self.silent_interval, 6)
         self.last_frame_end = 0.0
-        super().__init__(*args, **kwargs)
+        super(AsyncModbusSerialClient, self).__init__(*args, **kwargs)
 
     def get_socket(self):
         """

pymodbus/server/async_io.py

@@ -182,8 +182,8 @@ async def handle(self):
                 # for UDP sockets, simply reset the frame
                 if isinstance(self, ModbusConnectedRequestHandler):
                     client_addr = self.client_address[:2]
-                    _logger.error("Unknown exception '%s' on stream [%s:%s] "
-                                  "forcing disconnect" % (e, client_addr))
+                    _logger.error("Unknown exception '{}' on stream {} "
+                                  "forcing disconnect".format(e, client_addr))
                     self.transport.close()
                 else:
                     _logger.error("Unknown error occurred %s" % e)