Fix

app.py

@@ -44,7 +44,7 @@ def validate_submission_inputs(**inputs):
         raise ValueError('Link does not starts with "http://" or "https://"')
     if not inputs["parameters"] > 0:
         raise ValueError('Attribute `Parameters (B)` should be greater than zero')
-    if not inputs["input_length"] > 0 and inputs["input_length"] != int(inputs["input_length"]):
+    if not (inputs["input_length"] > 0 and inputs["input_length"] == int(inputs["input_length"])):
         raise ValueError('Attribute `Input length (# tokens)` should be greater than zero and integer type')
 
 def process_submission(*inputs):