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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def loads(self, value, context=None):
 		"""Attempt to load a string-based value into the native representation. 		 		Empty strings are treated as ``None`` values. 		"""

		
		if value == '' or (hasattr(value, 'strip') and value.strip() == ''):
			return None
		
		return self.native(value)