Update app.py

app.py

@@ -25,7 +25,7 @@ def generate_equation():
     x = symbols('x')
     generated_problems = []
     # 例: x**2 + 5*x + 6
-    wh=random.choise(["1","2"])
+    wh=random.choice(["1","2"])
     if wh==1:
         a = random.randint(min_value, max_value)
         b = random.randint(min_value, max_value)