diff --git a/flask_security/utils.py b/flask_security/utils.py
index 73d625f..03becf6 100644
--- a/flask_security/utils.py
+++ b/flask_security/utils.py
@@ -316,14 +316,15 @@ def capture_reset_password_requests(reset_password_sent_at=None):
 
 
 class CaptureSignals(object):
-    """ Testing utility for capturing blinker signals.
+    """Testing utility for capturing blinker signals.
 
     Context manager which mocks out selected signals and registers which are `sent` on and what
     arguments were sent. Instantiate with a list of blinker `NamedSignals` to patch. Each signal
     has it's `send` mocked out.
     """
     def __init__(self, signals):
-        """ Patch all given signals and make them available as attributes.
+        """Patch all given signals and make them available as attributes.
+
         :param signals: list of signals
         """
         self._records = {}
@@ -333,7 +334,8 @@ class CaptureSignals(object):
             self._receivers[signal] = functools.partial(self._record, signal)
 
     def __getitem__(self, signal):
-        """ All captured signals are available via `ctxt[signal]`."""
+        """All captured signals are available via `ctxt[signal]`.
+        """
         if isinstance(signal, blinker.base.NamedSignal):
             return self._records[signal]
         else:
@@ -352,11 +354,14 @@ class CaptureSignals(object):
             signal.disconnect(receiver)
 
     def signals_sent(self):
+        """Return a set of the signals sent.
+        :rtype: list of blinker `NamedSignals`.
+        """
         return set([signal for signal, _ in self._records.iteritems() if self._records[signal]])
 
 
 def capture_signals():
-    """ Factory method that creates a `CaptureSignals` with all the flask_security signals."""
+    """Factory method that creates a `CaptureSignals` with all the flask_security signals."""
     return CaptureSignals([user_registered, user_confirmed,
                            confirm_instructions_sent, login_instructions_sent,
                            password_reset, reset_password_instructions_sent])
diff --git a/tests/signals_tests.py b/tests/signals_tests.py
index 8ad13ee..38fcf4b 100644
--- a/tests/signals_tests.py
+++ b/tests/signals_tests.py
@@ -10,7 +10,7 @@ from tests import SecurityTest
 
 
 def compare_user(a, b):
-    """ Helper to compare two users."""
+    """Helper to compare two users."""
     return a.id == b.id and a.email == b.email and a.password == b.password