Ensure value is converted to float in QwtLogTransform.bounded for proper bounding

Author: PierreRaybaut

qwt/transform.py

@@ -169,7 +169,7 @@ def bounded(self, value):
         :param float value: Value to be bounded
         :return: Value modified
         """
-        return max(self.LogMin, min(value, self.LogMax))
+        return max(self.LogMin, min(float(value), self.LogMax))
 
     def transform(self, value):
         """