Fix linter errors

Author: cderici

examples/config.py

@@ -37,12 +37,12 @@ async def main():
     # update and check app config
     await ubuntu_app.set_config({'tuning-level': 'fast'})
     config = await ubuntu_app.get_config()
-    assert(config['tuning-level']['value'] == 'fast')
+    assert (config['tuning-level']['value'] == 'fast')
 
     # update and check app constraints
     await ubuntu_app.set_constraints({'mem': 512 * MB})
     constraints = await ubuntu_app.get_constraints()
-    assert(constraints['mem'] == 512 * MB)
+    assert (constraints['mem'] == 512 * MB)
 
     await model.disconnect()
 

examples/relate.py

@@ -17,14 +17,14 @@
 class MyRemoveObserver(ModelObserver):
     async def on_change(self, delta, old, new, model):
         if delta.type == 'remove':
-            assert(new.latest() == new)
-            assert(new.next() is None)
-            assert(new.dead)
-            assert(new.current)
-            assert(new.connected)
-            assert(new.previous().dead)
-            assert(not new.previous().current)
-            assert(not new.previous().connected)
+            assert (new.latest() == new)
+            assert (new.next() is None)
+            assert (new.dead)
+            assert (new.current)
+            assert (new.connected)
+            assert (new.previous().dead)
+            assert (not new.previous().current)
+            assert (not new.previous().connected)
 
 
 class MyModelObserver(ModelObserver):

juju/client/connection.py

@@ -589,7 +589,7 @@ async def rpc(self, msg, encoder=None):
         '''
         self.__request_id__ += 1
         msg['request-id'] = self.__request_id__
-        if'params' not in msg:
+        if 'params' not in msg:
             msg['params'] = {}
         if "version" not in msg:
             msg['version'] = self.facades[msg['type']]

tests/integration/test_model.py

@@ -446,7 +446,7 @@ async def add_manual_machine_ssh(event_loop, is_root=False):
         def wait_for_network(container, timeout=30):
             """Wait for eth0 to have an ipv4 address."""
             starttime = time.time()
-            while(time.time() < starttime + timeout):
+            while time.time() < starttime + timeout:
                 time.sleep(1)
                 if 'eth0' in container.state().network:
                     addresses = container.state().network['eth0']['addresses']