build target, not versioned file

Author: wpbonelli

environment.yml

@@ -24,7 +24,7 @@ dependencies:
   - numpy
   - pip
   - pip:
-      - modflow-devtools[test,dfn,models]>=1.7.0,!=1.9.0,<2
+      - modflow-devtools[test,dfn,models]>=1.9.2,<2
       - git+https://github.com/modflowpy/flopy.git
       - git+https://github.com/modflowpy/pymake.git
       - git+https://github.com/Deltares/xmipy.git