bug fixed

app.py

@@ -165,6 +165,12 @@ def pretty_output(lines, sentiment):
             txt_neg += tmp
 
     return(txt_pos, txt_neu, txt_neg, fig)
+
+def fx(t):
+  return 16 * np.sin(t) ** 3
+def fy(t):
+  return 13 * np.cos(t) - 5 * np.cos(2 * t) - 2 * np.cos(3 * t) - np.cos(4 * t)
+
 def combine(a, b):
     data = pd.DataFrame()
     embedded_url = ''
@@ -176,9 +182,19 @@ def combine(a, b):
             print(text001)
 
     if not lines:
-        fig = plt.plot()
-        plt.title = 'CANNOT LOAD VDO'
-        return ("","","",fig)
+        t = np.linspace(-2 * np.pi, 2 * np.pi)
+        xs = fx(t)
+        ys = fy(t)
+        plt.plot(xs, ys, "o")
+        plt.title('My Heart')
+        plt.xlabel(' CANNOT LOAD VDO ')
+        plt.ylabel(' CANNOT LOAD VDO ')
+
+        str_output ='www.youtube.com/embed/MdSDXZ_zzU'
+
+        embed_html = f'<center> <iframe id="ytplayer" type="text/html" width="560" height="315" src="{str_output}" frameborder="0" allowfullscreen </iframe> </center>'
+
+        return (embed_html,"","","", plt.gcf())
     data['text'] = lines
     data = clean_me(data)
     a = data['wordseged_space_text'][0] + ' SENTIMENT: '
@@ -213,7 +229,6 @@ with gr.Blocks() as demo:
         txt_NEG = gr.Textbox(value="", label="Negative comments")
         txt_NEU = gr.Textbox(value="", label="Neutral comments")
         txt_POS = gr.Textbox(value="", label="Positive comments")
-        
 
     btn.click(combine, inputs=[txt, txt_2], outputs=[HTM, txt_POS, txt_NEU, txt_NEG, plot])