Adding missing tensorflow import

app.py

@@ -1,6 +1,7 @@
 import gradio as gr
 import numpy as np
 import cv2
+import tensorflow as tf
 from tensorflow.keras.models import load_model
 
 IMG_HEIGHT = 96
@@ -62,6 +63,6 @@ with gr.Blocks(css=css) as demo:
             input_img = gr.Image(sources=["webcam"], type="numpy", streaming=True, label="Webcam Input")
             output_label = gr.Label(label="Predicted ASL Sign")
 
-    input_img.stream(predict_asl, [input_img], [output_label], time_limit=30, stream_every=0.1)
+    input_img.stream(predict_asl, [input_img], [output_label], time_limit=300, stream_every=0.1)
 
 demo.launch()