fix test_monitor_query_log_server (#374)

* fix test_monitor_query_log_server

* update requirements.txt

* fix check style

* update version

* fix setup.py

.teamcity/requirements.txt

 # requirements for unittest
 rarfile==3.1
+opencv-python<=4.3.0.34;python_version>="3"
+opencv-python==4.2.0.32;python_version<"3"
 paddlepaddle-gpu==1.6.1.post97
 gym
 details

parl/remote/tests/log_server_test.py

@@ -125,10 +125,10 @@ class TestLogServer(unittest.TestCase):
         th.start()
         time.sleep(1)
         # start the cluster monitor
-        monitor_file = __file__.replace(
-            os.path.join('tests', 'log_server_test.pyc'), 'monitor.py')
-        monitor_file = monitor_file.replace(
-            os.path.join('tests', 'log_server_test.py'), 'monitor.py')
+        monitor_file = __file__.replace('log_server_test.pyc', '../monitor.py')
+        monitor_file = monitor_file.replace('log_server_test.py',
+                                            '../monitor.py')
+
         command = [
             sys.executable, monitor_file, "--monitor_port",
             str(monitor_port), "--address", "localhost:" + str(master_port)

setup.py

@@ -82,7 +82,7 @@ setup(
         "click",
         "psutil>=5.6.2",
         "flask_cors",
-        "visualdl>=2.0.0b;python_version>='3' and platform_system=='Linux'",
+        "visualdl>=2.0.0b;python_version>='3.7' and platform_system=='Linux'",
     ],
     classifiers=[
         'Intended Audience :: Developers',