diff --git a/src/windows/add_to_timeline.py b/src/windows/add_to_timeline.py
index 8ebf478ec1..fd140dac31 100644
--- a/src/windows/add_to_timeline.py
+++ b/src/windows/add_to_timeline.py
@@ -242,7 +242,7 @@ def accept(self):
                     position = max(start_position, new_clip["position"] - fade_length)
                     new_clip["position"] = position
 
-                if fade_value == 'Fade In' or fade_value == 'Fade In & Out':
+                if fade_value in ['Fade In', 'Fade In & Out']:
                     start = openshot.Point(round(start_time * fps_float) + 1, 0.0, openshot.BEZIER)
                     start_object = json.loads(start.Json())
                     end = openshot.Point(min(round((start_time + fade_length) * fps_float) + 1, round(end_time * fps_float) + 1), 1.0, openshot.BEZIER)
@@ -250,7 +250,7 @@ def accept(self):
                     new_clip['alpha']["Points"].append(start_object)
                     new_clip['alpha']["Points"].append(end_object)
 
-                if fade_value == 'Fade Out' or fade_value == 'Fade In & Out':
+                if fade_value in ['Fade Out', 'Fade In & Out']:
                     start = openshot.Point(max(round((end_time * fps_float) + 1) - (round(fade_length * fps_float) + 1), round(start_time * fps_float) + 1), 1.0, openshot.BEZIER)
                     start_object = json.loads(start.Json())
                     end = openshot.Point(round(end_time * fps_float) + 1, 0.0, openshot.BEZIER)
diff --git a/src/windows/views/blender_listview.py b/src/windows/views/blender_listview.py
index 21f3412287..bd395f15bc 100644
--- a/src/windows/views/blender_listview.py
+++ b/src/windows/views/blender_listview.py
@@ -843,9 +843,8 @@ def Render(self):
 
         _ = get_app()._tr
 
-        if not self.version:
-            if not self.blender_version_check():
-                return
+        if not self.version and not self.blender_version_check():
+            return
 
         self.command_output = ""
         self.current_frame = 0
diff --git a/src/windows/views/timeline_mixins.py b/src/windows/views/timeline_mixins.py
index 2a553c4028..b422cbe335 100644
--- a/src/windows/views/timeline_mixins.py
+++ b/src/windows/views/timeline_mixins.py
@@ -133,11 +133,9 @@ def get_html(self):
     def keyPressEvent(self, event):
         """ Keypress callback for timeline """
         key_value = event.key()
-        if (key_value == Qt.Key_Shift or key_value == Qt.Key_Control):
-
+        if key_value in [Qt.Key_Shift, Qt.Key_Control]:
             # Only pass a few keystrokes to the webview (CTRL and SHIFT)
             return QWebEngineView.keyPressEvent(self, event)
-
         else:
             # Ignore most keypresses
             event.ignore()
@@ -212,11 +210,9 @@ def get_html(self):
     def keyPressEvent(self, event):
         """ Keypress callback for timeline """
         key_value = event.key()
-        if (key_value == Qt.Key_Shift or key_value == Qt.Key_Control):
-
+        if key_value in [Qt.Key_Shift, Qt.Key_Control]:
             # Only pass a few keystrokes to the webview (CTRL and SHIFT)
             return QWebView.keyPressEvent(self, event)
-
         else:
             # Ignore most keypresses
             event.ignore()
diff --git a/src/windows/views/timeline_webview.py b/src/windows/views/timeline_webview.py
index e047d0b0f2..d1a57e87f3 100644
--- a/src/windows/views/timeline_webview.py
+++ b/src/windows/views/timeline_webview.py
@@ -1183,11 +1183,11 @@ def Layout_Triggered(self, action, clip_ids):
                 clip.data["location_x"] = {"Points": [p_object]}
                 clip.data["location_y"] = {"Points": [p_object]}
 
-            if action == MENU_LAYOUT_CENTER or \
-               action == MENU_LAYOUT_TOP_LEFT or \
-               action == MENU_LAYOUT_TOP_RIGHT or \
-               action == MENU_LAYOUT_BOTTOM_LEFT or \
-               action == MENU_LAYOUT_BOTTOM_RIGHT:
+            if action in [MENU_LAYOUT_CENTER,
+                          MENU_LAYOUT_TOP_LEFT,
+                          MENU_LAYOUT_TOP_RIGHT,
+                          MENU_LAYOUT_BOTTOM_LEFT,
+                          MENU_LAYOUT_BOTTOM_RIGHT]:
                 # Reset scale mode
                 clip.data["scale"] = openshot.SCALE_FIT
                 clip.data["gravity"] = new_gravity
@@ -1437,7 +1437,7 @@ def Copy_Triggered(self, action, clip_ids, tran_ids):
 
             self.copy_clipboard[clip_id] = {}
 
-            if action == MENU_COPY_CLIP or action == MENU_COPY_ALL:
+            if action in [MENU_COPY_CLIP, MENU_COPY_ALL]:
                 self.copy_clipboard[clip_id] = clip.data
             elif action == MENU_COPY_KEYFRAMES_ALL:
                 self.copy_clipboard[clip_id]['alpha'] = clip.data['alpha']
@@ -1480,7 +1480,7 @@ def Copy_Triggered(self, action, clip_ids, tran_ids):
 
             self.copy_transition_clipboard[tran_id] = {}
 
-            if action == MENU_COPY_TRANSITION or action == MENU_COPY_ALL:
+            if action in [MENU_COPY_TRANSITION, MENU_COPY_ALL]:
                 self.copy_transition_clipboard[tran_id] = tran.data
             elif action == MENU_COPY_KEYFRAMES_ALL:
                 self.copy_transition_clipboard[tran_id]['brightness'] = tran.data['brightness']
@@ -1891,7 +1891,7 @@ def Slice_Triggered(self, action, clip_ids, trans_ids, playhead_position=0):
             # Determine if waveform needs to be redrawn
             has_audio_data = clip_id in self.waveform_cache
 
-            if action == MENU_SLICE_KEEP_LEFT or action == MENU_SLICE_KEEP_BOTH:
+            if action in [MENU_SLICE_KEEP_LEFT, MENU_SLICE_KEEP_BOTH]:
                 # Get details of original clip
                 position_of_clip = float(clip.data["position"])
                 start_of_clip = float(clip.data["start"])
@@ -1954,7 +1954,7 @@ def Slice_Triggered(self, action, clip_ids, trans_ids, playhead_position=0):
                 # Invalid transition, skip to next item
                 continue
 
-            if action == MENU_SLICE_KEEP_LEFT or action == MENU_SLICE_KEEP_BOTH:
+            if action in [MENU_SLICE_KEEP_LEFT, MENU_SLICE_KEEP_BOTH]:
                 # Get details of original transition
                 position_of_tran = float(trans.data["position"])