🚧 Starts sessions

src/window/app.py

@@ -43,7 +43,7 @@ class App:
             self.button_frame.columnconfigure(i, weight=1)
             new_button.grid(row=0, column=i, sticky=W + E)
             i += 1
-            
+
         new_button = Button(self.button_frame, text="Custom", command=self.custom_session)
         self.buttons.append(new_button)
         self.button_frame.columnconfigure(i, weight=1)
@@ -58,8 +58,8 @@ class App:
 
     def custom_session(self):
         self.session_window = SessionWindow(self)
-        self.session_window.open(self)
-        
+        self.session_window.open()
+
     def select_folder(self):
         self.selected_folder = filedialog.askdirectory()
         self.found_images = list(