Fail in case of name and explicit space name collisions

tests/optimize/test_hyperopt.py

@@ -1093,8 +1093,6 @@ def test_print_epoch_details(capsys):
 
 
 def test_in_strategy_auto_hyperopt(mocker, hyperopt_conf, tmpdir) -> None:
-    # mocker.patch('freqtrade.optimize.hyperopt.dump', MagicMock())
-    # mocker.patch('freqtrade.optimize.hyperopt.file_dump_json')
     (Path(tmpdir) / 'hyperopt_results').mkdir(parents=True)
     # No hyperopt needed
     del hyperopt_conf['hyperopt']

tests/strategy/test_interface.py

@@ -617,3 +617,8 @@ def test_auto_hyperopt_interface(default_conf):
 
     # Parameter is disabled - so value from sell_param dict will NOT be used.
     assert strategy.sell_minusdi.value == 0.5
+
+    strategy.sell_rsi = IntParameter([0, 10], default=5, space='buy')
+
+    with pytest.raises(OperationalException, match=r"Inconclusive parameter.*"):
+        [x for x in strategy.enumerate_parameters('sell')]