1 files changed, 24 insertions, 23 deletions
diff --git a/src/python/grpcio/grpc/framework/foundation/callable_util.py b/src/python/grpcio/grpc/framework/foundation/callable_util.py
index 4f029f97bb..3b8351c19b 100644
--- a/src/python/grpcio/grpc/framework/foundation/callable_util.py
+++ b/src/python/grpcio/grpc/framework/foundation/callable_util.py
@@ -26,7 +26,6 @@
 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
 """Utilities for working with callables."""
 
 import abc
@@ -39,7 +38,7 @@ import six
 
 
 class Outcome(six.with_metaclass(abc.ABCMeta)):
-  """A sum type describing the outcome of some call.
+    """A sum type describing the outcome of some call.
 
   Attributes:
     kind: One of Kind.RETURNED or Kind.RAISED respectively indicating that the
@@ -50,31 +49,31 @@ class Outcome(six.with_metaclass(abc.ABCMeta)):
       Kind.RAISED.
   """
 
-  @enum.unique
-  class Kind(enum.Enum):
-    """Identifies the general kind of the outcome of some call."""
+    @enum.unique
+    class Kind(enum.Enum):
+        """Identifies the general kind of the outcome of some call."""
 
-    RETURNED = object()
-    RAISED = object()
+        RETURNED = object()
+        RAISED = object()
 
 
 class _EasyOutcome(
-    collections.namedtuple(
-        '_EasyOutcome', ['kind', 'return_value', 'exception']),
-    Outcome):
-  """A trivial implementation of Outcome."""
+        collections.namedtuple('_EasyOutcome',
+                               ['kind', 'return_value', 'exception']), Outcome):
+    """A trivial implementation of Outcome."""
 
 
 def _call_logging_exceptions(behavior, message, *args, **kwargs):
-  try:
-    return _EasyOutcome(Outcome.Kind.RETURNED, behavior(*args, **kwargs), None)
-  except Exception as e:  # pylint: disable=broad-except
-    logging.exception(message)
-    return _EasyOutcome(Outcome.Kind.RAISED, None, e)
+    try:
+        return _EasyOutcome(Outcome.Kind.RETURNED,
+                            behavior(*args, **kwargs), None)
+    except Exception as e:  # pylint: disable=broad-except
+        logging.exception(message)
+        return _EasyOutcome(Outcome.Kind.RAISED, None, e)
 
 
 def with_exceptions_logged(behavior, message):
-  """Wraps a callable in a try-except that logs any exceptions it raises.
+    """Wraps a callable in a try-except that logs any exceptions it raises.
 
   Args:
     behavior: Any callable.
@@ -86,14 +85,16 @@ def with_exceptions_logged(behavior, message):
       future.Outcome describing whether the given behavior returned a value or
       raised an exception.
   """
-  @functools.wraps(behavior)
-  def wrapped_behavior(*args, **kwargs):
-    return _call_logging_exceptions(behavior, message, *args, **kwargs)
-  return wrapped_behavior
+
+    @functools.wraps(behavior)
+    def wrapped_behavior(*args, **kwargs):
+        return _call_logging_exceptions(behavior, message, *args, **kwargs)
+
+    return wrapped_behavior
 
 
 def call_logging_exceptions(behavior, message, *args, **kwargs):
-  """Calls a behavior in a try-except that logs any exceptions it raises.
+    """Calls a behavior in a try-except that logs any exceptions it raises.
 
   Args:
     behavior: Any callable.
@@ -105,4 +106,4 @@ def call_logging_exceptions(behavior, message, *args, **kwargs):
     An Outcome describing whether the given behavior returned a value or raised
       an exception.
   """
-  return _call_logging_exceptions(behavior, message, *args, **kwargs)
+    return _call_logging_exceptions(behavior, message, *args, **kwargs)