diff --git a/.pyre_configuration b/.pyre_configuration
index 8867cd39d..972e4c52d 100644
--- a/.pyre_configuration
+++ b/.pyre_configuration
@@ -18,5 +18,5 @@
     "stubs"
   ],
   "strict": true,
-  "version": "0.0.101709640814"
+  "version": "0.0.101721906040"
 }
diff --git a/torchx/examples/apps/tracker/main.py b/torchx/examples/apps/tracker/main.py
index 86e160786..c9231730e 100644
--- a/torchx/examples/apps/tracker/main.py
+++ b/torchx/examples/apps/tracker/main.py
@@ -99,6 +99,8 @@ def test(
         for data, target in test_loader:
             data, target = data.to(device), target.to(device)
             output = model(data)
+            # pyre-fixme[58]: `+` is not supported for operand types `int` and
+            #  `Union[bool, float, int]`.
             test_loss += F.nll_loss(
                 output, target, reduction="sum"
             ).item()  # sum up batch loss
diff --git a/torchx/pipelines/kfp/adapter.py b/torchx/pipelines/kfp/adapter.py
index 513c7b698..427f25f44 100644
--- a/torchx/pipelines/kfp/adapter.py
+++ b/torchx/pipelines/kfp/adapter.py
@@ -50,7 +50,9 @@ def component_spec_from_app(app: api.AppDef) -> Tuple[str, api.Role]:
 
     role = app.roles[0]
     assert (
-        role.num_replicas == 1
+        role.num_replicas
+        == 1
+        # pyre-fixme[16]: `AppDef` has no attribute `num_replicas`.
     ), f"KFP adapter only supports one replica, got {app.num_replicas}"
 
     command = [role.entrypoint, *role.args]
diff --git a/torchx/schedulers/aws_batch_scheduler.py b/torchx/schedulers/aws_batch_scheduler.py
index a354c57bc..9577e90fb 100644
--- a/torchx/schedulers/aws_batch_scheduler.py
+++ b/torchx/schedulers/aws_batch_scheduler.py
@@ -809,6 +809,8 @@ def _stream_events(
                     startFromHead=True,
                     **args,
                 )
+            # pyre-fixme[66]: Exception handler type annotation `unknown` must
+            #  extend BaseException.
             except self._log_client.exceptions.ResourceNotFoundException:
                 return []  # noqa: B901
             if response["nextForwardToken"] == next_token: