Fix a few deprecation warnings

pytest.ini

@@ -3,3 +3,4 @@ testpaths = tests/
 addopts = --cov=src/ --cov-report=xml -W ignore::schematics.deprecated.SchematicsDeprecationWarning
 markers =
     bot: mark a test as Bot-based rather than IRCClient-based
+asyncio_mode = auto

src/csbot/events.py

@@ -116,8 +116,7 @@ def _get_pending(self):
         self.pending_event.clear()
         return pending
 
-    @asyncio.coroutine
-    def _run(self):
+    async def _run(self):
         # Use self as context manager so an escaping exception doesn't break
         # the event runner instance permanently (i.e. we clean up the future)
         with self:

tests/test_events.py

@@ -138,16 +138,13 @@ def test_values(self, async_runner):
     @pytest.mark.asyncio
     def test_event_chain(self, async_runner):
         """Check that chains of events get handled."""
-        @asyncio.coroutine
-        def f1():
+        async def f1():
             async_runner.runner.post_event(f2)
 
-        @asyncio.coroutine
-        def f2():
+        async def f2():
             async_runner.runner.post_event(f3)
 
-        @asyncio.coroutine
-        def f3():
+        async def f3():
             pass
 
         yield from async_runner.runner.post_event(f1)
@@ -159,21 +156,17 @@ def test_exception_recovery(self, async_runner):
         """Check that exceptions are handled but don't block other tasks or
         leave the runner in a broken state.
         """
-        @asyncio.coroutine
-        def f1():
+        async def f1():
             async_runner.runner.post_event(f2)
             raise Exception()
 
-        @asyncio.coroutine
-        def f2():
+        async def f2():
             pass
 
-        @asyncio.coroutine
-        def f3():
+        async def f3():
             async_runner.runner.post_event(f4)
 
-        @asyncio.coroutine
-        def f4():
+        async def f4():
             pass
 
         assert async_runner.exception_handler.call_count == 0