diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 7e119ee..9a3b6c7 100755
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,5 +1,8 @@
 .. _vers07:
 
+Ver. 0.7.1 - Development
+===============================
+
 Ver. 0.7.0 - 2012 Oct 25
 ===============================
 * First official release of version 0.7.0. Requires redis_ 2.6 or above.
diff --git a/runtests.py b/runtests.py
index a868f68..0268ba1 100755
--- a/runtests.py
+++ b/runtests.py
@@ -14,7 +14,7 @@
 from stdnet.test import nose, pulsar
 
 
-def noseoption(argv,*vals,**kwargs):
+def noseoption(argv, *vals, **kwargs):
     if vals:
         for val in vals:
             if val in argv:
diff --git a/stdnet/odm/models.py b/stdnet/odm/models.py
index 156a6b9..92fe91c 100755
--- a/stdnet/odm/models.py
+++ b/stdnet/odm/models.py
@@ -50,7 +50,7 @@ def __init__(self, **kwargs):
                 keys += ' are'
             else:
                 keys += ' is an'
-            raise ValueError("%s invalid keyword for %s." % (keys,self._meta))
+            raise ValueError("%s invalid keyword for %s." % (keys, self._meta))
 
     @property
     def has_all_data(self):
diff --git a/stdnet/utils/dates.py b/stdnet/utils/dates.py
index fdaa6f4..d216ae5 100644
--- a/stdnet/utils/dates.py
+++ b/stdnet/utils/dates.py
@@ -128,8 +128,8 @@ def missing_intervals(startdate, enddate, start, end,
 The list could countain 0,1 or 2 tuples.'''
     parseinterval = parseinterval or default_parse_interval
     dateconverter = dateconverter or todate
-    startdate = dateconverter(parseinterval(startdate,0))
-    enddate   = max(startdate,dateconverter(parseinterval(enddate,0)))
+    startdate = dateconverter(parseinterval(startdate, 0))
+    enddate   = max(startdate, dateconverter(parseinterval(enddate,0)))
     
     if intervals is not None and not isinstance(intervals,Intervals):
         intervals = Intervals(intervals)
diff --git a/tests/regression/query/slice.py b/tests/regression/query/slice.py
index dde44ff..7084e23 100644
--- a/tests/regression/query/slice.py
+++ b/tests/regression/query/slice.py
@@ -66,4 +66,11 @@ def testSliceBack(self):
         q1 = qs[-2:-1]
         self.assertEqual(len(q1),1)
         self.assertEqual(q1[0].id,N-1)
+        
+    def testSliceGetField(self):
+        '''test silve in conjunction with get_field method'''
+        session = self.session()
+        qs = session.query(self.model).get_field('id')
+        q1 = qs[:2]
+        self.assertEqual(len(q1), 2)
     
\ No newline at end of file