fix: add `float()`conversions to enhance function

app.py

@@ -14,11 +14,11 @@ def enhance(image, brightness, contrast, saturation, gamma, hue):
     img = img.unsqueeze(0)  # 1xCxHxW / fp32 / [0, 1]
     
     # apply tensor image enhancement
-    x_out: Tensor = K.enhance.adjust_brightness(img, brightness)
-    x_out = K.enhance.adjust_contrast(x_out, contrast)
-    x_out = K.enhance.adjust_saturation(x_out, saturation)
-    x_out = K.enhance.adjust_gamma(x_out, gamma)
-    x_out = K.enhance.adjust_hue(x_out, hue)
+    x_out: Tensor = K.enhance.adjust_brightness(img, float(brightness))
+    x_out = K.enhance.adjust_contrast(x_out, float(contrast))
+    x_out = K.enhance.adjust_saturation(x_out, float(saturation))
+    x_out = K.enhance.adjust_gamma(x_out, float(gamma))
+    x_out = K.enhance.adjust_hue(x_out, float(hue))
     
     return K.utils.tensor_to_image(x_out.squeeze())