diff --git a/geomagio/Util.py b/geomagio/Util.py
index 028d03394a06bdbb5f6054e83e2a557d0117a66d..6e1cb51bbb32f299cc6ce954f560f8e061eb779b 100644
--- a/geomagio/Util.py
+++ b/geomagio/Util.py
@@ -1,5 +1,6 @@
 import urllib2
 
+
 class ObjectView(object):
     """
     Wrap a dictionary so its properties can be accessed as an object.
diff --git a/geomagio/imfv283/IMFV283Factory.py b/geomagio/imfv283/IMFV283Factory.py
index 559dd0cdcc52d6cb8d71c75958d14c5b1566136a..39befab852503107c0880c0675c7ea78df834ffd 100644
--- a/geomagio/imfv283/IMFV283Factory.py
+++ b/geomagio/imfv283/IMFV283Factory.py
@@ -4,7 +4,6 @@ import obspy.core
 import numpy
 from .. import ChannelConverter
 from ..TimeseriesFactory import TimeseriesFactory
-from ..TimeseriesFactoryException import TimeseriesFactoryException
 from ..Util import read_url
 from IMFV283Parser import IMFV283Parser
 from ..ObservatoryMetadata import ObservatoryMetadata
diff --git a/geomagio/imfv283/IMFV283Parser.py b/geomagio/imfv283/IMFV283Parser.py
index eb4aa65557087a688a16934faa50caff151db54c..1a88953064d7232be0509ecdf5a7b24270947e48 100644
--- a/geomagio/imfv283/IMFV283Parser.py
+++ b/geomagio/imfv283/IMFV283Parser.py
@@ -6,7 +6,6 @@ import obspy
 from obspy.core import UTCDateTime
 
 import imfv283_codes
-from ..ObservatoryMetadata import ObservatoryMetadata
 
 # values that represent missing data points in IAGA2002
 DEAD_VALUE = 65535