Update app.py

app.py

@@ -58,10 +58,11 @@ $body
 """
 
 def make_filename(inp):
-    if len(inp)<=20:
+    if len(inp)<=30:
         first_name=inp
     else:
-        first_name=inp[:20]
+        first_name=inp[:30]
+    first_name=first_name.replace(" ","_")
     print(first_name)
     last_name=random.randint(1,1111111111)
     filename=first_name+str(last_name)