remove type: ignore

Author: hyeok9855

src/gfn/gflownet/base.py

@@ -223,7 +223,7 @@ def __init__(
         # Advisory: recurrent PF with non-recurrent PB is unusual
         # (tree DAGs typically prefer pb=None with constant_pb=True).
         # Import locally to avoid circular imports during module import time.
-        from gfn.estimators import RecurrentDiscretePolicyEstimator  # type: ignore
+        from gfn.estimators import RecurrentDiscretePolicyEstimator
 
         if isinstance(self.pf, RecurrentDiscretePolicyEstimator) and isinstance(
             self.pb, Estimator

src/gfn/gflownet/detailed_balance.py

@@ -95,7 +95,7 @@ def __init__(
         )
 
         # Disallow recurrent PF for transition-based DB
-        from gfn.estimators import RecurrentDiscretePolicyEstimator  # type: ignore
+        from gfn.estimators import RecurrentDiscretePolicyEstimator
 
         if isinstance(self.pf, RecurrentDiscretePolicyEstimator):
             raise TypeError(
@@ -220,7 +220,7 @@ def get_scores(
 
         # Apply forward-looking if applicable
         if self.forward_looking:
-            import warnings  # type: ignore
+            import warnings
 
             warnings.warn(
                 "Rewards should be defined over edges in forward-looking settings. "