Update app.py

app.py

@@ -99,7 +99,7 @@ def greet(text):
     # print('类别为：{}'.format(classes[predic[0]]))
     return classes[predic[0]]
 
-css = "
+css = """
 body {
     background-color: #f6f6f6;
     font-family: Arial, sans-serif;
@@ -169,12 +169,14 @@ body {
     font-family: 'Font Awesome 5 Free';
     font-weight: 900;
 }
-
 .gradio-interface-header-icon.fa-icon:before {
     content: '\f007';
 }
-"
-demo = gr.Interface(fn=greet, inputs="text", outputs="text", title="text-classification app", css=css, 
+"""
+demo = gr.Interface(fn=greet, inputs="text", outputs="text", title="text-classification app", css="body {
+    background-color: #f6f6f6;
+    font-family: Arial, sans-serif;
+}", 
                      thumbnail="https://i.imgur.com/5rkKx5A.png", 
                      layout="vertical", description="This is a demo for text classification.")
 demo.launch()