Update app.py with potential fix

I put the app.py file through a python formatter to get an output that might potentially fix the runtime error (if these changes don't fix the error just copy the previous code and revert the changes)

app.py

@@ -1,46 +1,62 @@
 # -*- coding: utf-8 -*-
-#Importing dependancies
+# Importing dependancies
 from styleformer import Styleformer
 import gradio as gr
 import torch
 import warnings
+
 warnings.filterwarnings("ignore")
 
+
 def set_seed(seed):
-  torch.manual_seed(seed)
-  if torch.cuda.is_available():
-    torch.cuda.manual_seed_all(seed)
+    torch.manual_seed(seed)
+    if torch.cuda.is_available():
+        torch.cuda.manual_seed_all(seed)
+
 
 set_seed(1234)
 
-#Casual-Formal
+# Casual-Formal
 sf_0 = Styleformer(style=0)
 
-#Formal-Casual
+# Formal-Casual
 sf_1 = Styleformer(style=1)
 
-#Active-Passive
+# Active-Passive
 sf_2 = Styleformer(style=2)
 
-#Passive-Active
+# Passive-Active
 sf_3 = Styleformer(style=3)
 
+
 def func(text, tone):
-  if tone=="Casual-Formal":
-    return sf_0.transfer(text)
-  if tone=="Formal-Casual":
-    return sf_1.transfer(text)
-  if tone=="Active-Passive":
-    return sf_2.transfer(text)
-  if tone=="Passive-Active":
-    return sf_3.transfer(text)
-  else:
-    return "No available Transfers😭"
-
-#Initalizing Gradio App
+    if tone == "Casual-Formal":
+        return sf_0.transfer(text)
+    if tone == "Formal-Casual":
+        return sf_1.transfer(text)
+    if tone == "Active-Passive":
+        return sf_2.transfer(text)
+    if tone == "Passive-Active":
+        return sf_3.transfer(text)
+    else:
+        return "No available Transfers😭"
+
+
+# Initalizing Gradio App
 app_description = "This model transforms the tone of text, from formal to informal, from Active to Passive. Choose your option below."
 app_title = "Tone Transfer"
 
-app = gr.Interface(func,["text",gr.inputs.Radio(["Casual-Formal", "Formal-Casual", "Active-Passive","Passive-Active"])],"text",description=app_description, title=app_title)
-
-app.launch()
+app = gr.Interface(
+    func,
+    [
+        "text",
+        gr.inputs.Radio(
+            ["Casual-Formal", "Formal-Casual", "Active-Passive", "Passive-Active"]
+        ),
+    ],
+    "text",
+    description=app_description,
+    title=app_title,
+)
+
+app.launch()