diff --git a/pipenvlib.py b/pipenvlib.py
index 8b3af1f..1f85dfd 100644
--- a/pipenvlib.py
+++ b/pipenvlib.py
@@ -21,6 +21,7 @@ class Dependency(object):
 
 class LockedDependency(object):
     """A Locked Dependency"""
+
     def __init__(self, name, constraint, hashes):
         self.name = name
         self.constraint = constraint
@@ -31,6 +32,7 @@ class LockedDependency(object):
             self.name, self.constraint
         )
 
+
 class Requirement(object):
     """A Requirement."""
 
@@ -76,10 +78,6 @@ class PipenvProject(object):
         """Asserts that the Pipfile.lock exists."""
         assert os.path.isfile(self._pipfile_path)
 
-    @property
-    def lockfile_is_latest(self):
-        pass
-
     def _get_section_of_pipfile(self, section, target):
         def gen():
             pipfile = toml.load(self._pipfile_path)
@@ -196,7 +194,3 @@ class PipenvProject(object):
     @property
     def virtualenv_location(self):
         return self._run('--venv').out.strip()
-
-
-
-