Update app.py

app.py

@@ -52,9 +52,10 @@ def generate_caption(image):
     y = 10
     for line in text_lines:
         line_width = draw.textlength(line, font=font)
-        _, line_height = font.getmetrics()
+        line_mask = font.getmask(line)
+        _, line_height = line_mask.size
         x = (pil_image.width - line_width) // 2
-
+    
         draw.text((x, y), line, fill=(255, 255, 255), font=font)
         y += line_height + int(line_height * 0.1)