Update app.py

app.py

@@ -216,7 +216,7 @@ def analysis(Manifesto,Search):
   #plt.savefig('sentimentAnalysis2.png')
   #plt.clf()  
   plt.tight_layout()
-  buf = io.BytesIO()
+  buf = BytesIO()
   plt.savefig(buf)
   buf.seek(0)
   img2 = Image.open(buf)