Update app.py

app.py

@@ -38,7 +38,7 @@ emotion_map = {
     
 } #added in the basic emotions we'll have the ai read
 
-mp_hands = mp.solutions.hands
+mp_hands = mp.solutions.hands #ran into an error here
 hands = mp_hands.Hands(static_image_mode=True, max_num_hands=1)  #mediapipe setting up
 
 def detect_gesture(image):
@@ -47,10 +47,10 @@ def detect_gesture(image):
         return None
 
     image_rgb = cv2.cvtColor(image, cv2.COLOR_BGR2RGB)
-    results = hands.process(image_rgb)
+    results = hands.process(image_rgb)  #sends image into ML model for hand landmark detection
 
     if not results.multi_hand_landmarks:
-        return None
+        return None  #prevents crash when no hand is detected
 
     lm = results.multi_hand_landmarks[0].landmark