Update app.py

correct the errors for virtual keyboard part 3

app.py

@@ -18,23 +18,12 @@ import time
 # logger = logging.getLogger(_name_)
 
 # Streamlit settings
-st.set_page_config(page_title="Virtual Keyboard", layout="wide")
+st.set_page_config(page_title="Virtual Keyboard", page_icon="🏋️")
 st.title("Interactive Virtual Keyboard")
 st.subheader('''Turn on the webcam and use hand gestures to interact with the virtual keyboard.
 Use 'a' and 'd' from the keyboard to change the background.''')
 
 
-
-# # Logging setup
-# logger = logging.getLogger(__name__)
-
-
-# Streamlit settings
-st.set_page_config(page_title="Virtual Keyboard", layout="wide")
-st.title("Interactive Virtual Keyboard")
-st.subheader('''Turn on the webcam and use hand gestures to interact with the virtual keyboard.
-Use 'a' and 'd' from the keyboard to change the background.''')
-
 # Initialize modules
 detector = HandDetector(maxHands=1, detectionCon=0.8)
 segmentor = SelfiSegmentation()
@@ -45,7 +34,7 @@ keys = [["Q", "W", "E", "R", "T", "Y", "U", "I", "O", "P"],
         ["Z", "X", "C", "V", "B", "N", "M", ",", ".", "/"]]
 
 class Button:
-    def _init_(self, pos, text, size=[100, 100]):
+    def __init__(self, pos, text, size=[100, 100]):
         self.pos = pos
         self.size = size
         self.text = text
@@ -75,6 +64,7 @@ def video_frame_callback(frame: av.VideoFrame) -> av.VideoFrame:
     global indexImg, output_text
 
     img = frame.to_ndarray(format="bgr24")
+    hands = detector.findHands(img, draw=False)
 
     detections = []
     if hands:
@@ -87,7 +77,7 @@ def video_frame_callback(frame: av.VideoFrame) -> av.VideoFrame:
     detections.append(Detection(label=label, score=score, box=box))
     result_queue.put(detections)
     st.session_state["output_text"] = output_text
-    return av.VideoFrame.from_ndarray(imgOut, format="bgr24")
+    return av.VideoFrame.from_ndarray(img, format="bgr24")
 
 webrtc_streamer(
     key="virtual-keyboard",