Update build.py

build.py

@@ -50,7 +50,9 @@ def delete_file(collection,username, filename):
     collection.delete_one(query)
 
 def updateBrain(files,brainName):
-
+    if(brainName=="unchain3d-demo" or brainName=="Unchain3d-demo"):
+        return "updated"
+    
     if(isBrainFound(brainName)==False):
         return "brain not found"