diff --git a/QuickOSM/core/query_factory.py b/QuickOSM/core/query_factory.py
index 60d1d3ec..f97fe279 100644
--- a/QuickOSM/core/query_factory.py
+++ b/QuickOSM/core/query_factory.py
@@ -160,7 +160,8 @@ def area(self) -> list:
     def _convert_to_multitypes(type_multi_request: str) -> List[MultiType]:
         """Converts a string of comma separated 'AND'/'OR's to a list of MultiType equivalents.
 
-        :param type_multi_request: A string of comma separated 'AND'/'OR's provided from input of processing algorithms
+        :param type_multi_request: A string of comma separated 'AND'/'OR's provided from input of processing
+        algorithms
         :type type_multi_request: str
 
         :return: list of MultiType
@@ -177,7 +178,8 @@ def _convert_to_multitypes(type_multi_request: str) -> List[MultiType]:
                 elif type_ == 'OR':
                     types.append(MultiType.OR)
                 else:
-                    raise QueryFactoryException(tr('Only values "AND"/"OR" are allowed as logical operators.'))
+                    raise QueryFactoryException(
+                        tr('Only values "AND"/"OR" are allowed as logical operators.'))
         return types
 
     def _check_parameters(self) -> bool:
@@ -245,7 +247,8 @@ def _check_parameters(self) -> bool:
                 raise QueryFactoryException(
                     tr('Too many logical operators were provided.')
                 )
-            elif len(self._type_multi_request) < len(self._key) - 1:
+
+            if len(self._type_multi_request) < len(self._key) - 1:
                 raise QueryFactoryException(
                     tr('Not enough logical operators were provided.')
                 )
diff --git a/QuickOSM/quick_osm_processing/build_input.py b/QuickOSM/quick_osm_processing/build_input.py
index 2c572ab8..8bb9a014 100644
--- a/QuickOSM/quick_osm_processing/build_input.py
+++ b/QuickOSM/quick_osm_processing/build_input.py
@@ -15,7 +15,7 @@
 )
 
 from QuickOSM.core.utilities.tools import get_setting
-from QuickOSM.definitions.osm import QueryType, MultiType
+from QuickOSM.definitions.osm import QueryType
 from QuickOSM.definitions.overpass import OVERPASS_SERVERS
 from QuickOSM.qgis_plugin_tools.tools.i18n import tr
 
@@ -184,10 +184,14 @@ def add_top_parameters(self):
         self.addParameter(param)
 
         param = QgsProcessingParameterString(
-            self.TYPE_MULTI_REQUEST, tr('Operator types to combine multiple keys and values with'), optional=True
+            self.TYPE_MULTI_REQUEST,
+            tr('Operator types to combine multiple keys and values with'),
+            optional=True
         )
+
+        # TODO: expand help string
         help_string = tr(
-            'The logical operators used to combine keys and values, if there are multiple.'  # TODO: expand help string
+            'The logical operators used to combine keys and values, if there are multiple.'
         )
         param.setHelp(help_string)
         self.addParameter(param)