Remove return-value for _process

freqtrade/tests/test_freqtradebot.py

@@ -744,8 +744,7 @@ def test_process_exchange_failures(default_conf, ticker, markets, mocker) -> Non
     worker = Worker(args=None, config=default_conf)
     patch_get_signal(worker.freqtrade)
 
-    result = worker._process()
-    assert result is False
+    worker._process()
     assert sleep_mock.has_calls()
 
 
@@ -763,8 +762,7 @@ def test_process_operational_exception(default_conf, ticker, markets, mocker) ->
 
     assert worker.state == State.RUNNING
 
-    result = worker._process()
-    assert result is False
+    worker._process()
     assert worker.state == State.STOPPED
     assert 'OperationalException' in msg_mock.call_args_list[-1][0][0]['status']
 
@@ -786,13 +784,14 @@ def test_process_trade_handling(
 
     trades = Trade.query.filter(Trade.is_open.is_(True)).all()
     assert not trades
-    result = freqtrade.process()
-    assert result is True
+    freqtrade.process()
+
     trades = Trade.query.filter(Trade.is_open.is_(True)).all()
     assert len(trades) == 1
 
-    result = freqtrade.process()
-    assert result is False
+    # Nothing happened ...
+    freqtrade.process()
+    assert len(trades) == 1
 
 
 def test_process_trade_no_whitelist_pair(

freqtrade/worker.py

@@ -127,11 +127,10 @@ class Worker(object):
         time.sleep(duration)
         return result
 
-    def _process(self) -> bool:
+    def _process(self) -> None:
         logger.debug("========================================")
-        state_changed = False
         try:
-            state_changed = self.freqtrade.process()
+            self.freqtrade.process()
         except TemporaryError as error:
             logger.warning(f"Error: {error}, retrying in {constants.RETRY_TIMEOUT} seconds...")
             time.sleep(constants.RETRY_TIMEOUT)
@@ -144,10 +143,6 @@ class Worker(object):
             })
             logger.exception('OperationalException. Stopping trader ...')
             self.freqtrade.state = State.STOPPED
-            # TODO: The return value of _process() is not used apart tests
-            # and should (could) be eliminated later. See PR #1689.
-#            state_changed = True
-        return state_changed
 
     def _reconfigure(self) -> None:
         """