feature: Correct dtype conversion

Coverity: 294624

Signed-off-by: John Andersen <[email protected]>

Author: pdxjohnny

dffml/feature/feature.py

@@ -58,7 +58,7 @@ def __init__(self, name: str, dtype: Type = int, length: int = 1) -> Any:
             dtype = tempvar[1]
             length = parser_helper(tempvar[2])
         if isinstance(dtype, str):
-            dtype = self.convert_dtype(tempvar[1])
+            dtype = self.convert_dtype(dtype)
         self.dtype = dtype
         self.length = length
         self.name = name