@staticmethod<EOL><INDENT>def is_convertible(value):<DEDENT>
try:<EOL><INDENT>float(value)<EOL>return True<EOL><DEDENT>except ValueError:<EOL><INDENT>return False<EOL><DEDENT>except TypeError:<EOL><INDENT>return False<EOL><DEDENT>
Return True if value can be converted to a float.