Merge remote-tracking branch 'michaelbynum/initialization' into initialization

Author: michaelbynum

pyomo/devel/initialization/pwl_init.py

@@ -197,7 +197,7 @@ def beforeChild(self, node, child, child_idx):
 
 
 def _refine_pwl_approx(
-    m,
+    m: BlockData,
     pwl_expr_to_con_map: MutableMapping[
         PiecewiseLinearExpression, Sequence[ConstraintData]
     ],