Remove unused imports

8 files changed, 3 insertions, 12 deletions

diff --git a/networkx/algorithms/approximation/tests/test_approx_clust_coeff.py b/networkx/algorithms/approximation/tests/test_approx_clust_coeff.py
index a32eb18b..8bb538dc 100644
--- a/networkx/algorithms/approximation/tests/test_approx_clust_coeff.py
+++ b/networkx/algorithms/approximation/tests/test_approx_clust_coeff.py
@@ -1,4 +1,3 @@
-from nose.tools import assert_equal
 import networkx as nx
 from networkx.algorithms.approximation import average_clustering
 
diff --git a/networkx/algorithms/approximation/tests/test_clique.py b/networkx/algorithms/approximation/tests/test_clique.py
index 0737029b..585c381b 100644
--- a/networkx/algorithms/approximation/tests/test_clique.py
+++ b/networkx/algorithms/approximation/tests/test_clique.py
@@ -11,9 +11,6 @@ module.
 
 """
 
-from nose.tools import assert_greater
-from nose.tools import assert_true
-from nose.tools import assert_equal
 
 import networkx as nx
 from networkx.algorithms.approximation import max_clique
diff --git a/networkx/algorithms/approximation/tests/test_connectivity.py b/networkx/algorithms/approximation/tests/test_connectivity.py
index 19bb010a..661755d6 100644
--- a/networkx/algorithms/approximation/tests/test_connectivity.py
+++ b/networkx/algorithms/approximation/tests/test_connectivity.py
@@ -1,5 +1,4 @@
-import itertools
-from nose.tools import assert_true, assert_equal, assert_raises
+from nose.tools import assert_raises
 
 import networkx as nx
 from networkx.algorithms import approximation as approx
diff --git a/networkx/algorithms/approximation/tests/test_independent_set.py b/networkx/algorithms/approximation/tests/test_independent_set.py
index 21edf2e3..4b7c4526 100644
--- a/networkx/algorithms/approximation/tests/test_independent_set.py
+++ b/networkx/algorithms/approximation/tests/test_independent_set.py
@@ -1,4 +1,3 @@
-from nose.tools import *
 import networkx as nx
 import networkx.algorithms.approximation as a
 
diff --git a/networkx/algorithms/approximation/tests/test_kcomponents.py b/networkx/algorithms/approximation/tests/test_kcomponents.py
index 3413a98c..c6a67710 100644
--- a/networkx/algorithms/approximation/tests/test_kcomponents.py
+++ b/networkx/algorithms/approximation/tests/test_kcomponents.py
@@ -1,6 +1,5 @@
 # Test for approximation to k-components algorithm
-from nose.tools import assert_equal, assert_true, assert_false, assert_in
-from nose.tools import assert_raises, raises, assert_greater_equal
+from nose.tools import assert_raises, raises
 import networkx as nx
 from networkx.algorithms.approximation import k_components
 from networkx.algorithms.approximation.kcomponents import _AntiGraph, _same
diff --git a/networkx/algorithms/approximation/tests/test_matching.py b/networkx/algorithms/approximation/tests/test_matching.py
index d3b81c05..f50da3d2 100644
--- a/networkx/algorithms/approximation/tests/test_matching.py
+++ b/networkx/algorithms/approximation/tests/test_matching.py
@@ -1,4 +1,3 @@
-from nose.tools import *
 import networkx as nx
 import networkx.algorithms.approximation as a
 
diff --git a/networkx/algorithms/approximation/tests/test_treewidth.py b/networkx/algorithms/approximation/tests/test_treewidth.py
index a2c699ae..ac9a92bc 100644
--- a/networkx/algorithms/approximation/tests/test_treewidth.py
+++ b/networkx/algorithms/approximation/tests/test_treewidth.py
@@ -5,7 +5,7 @@
 #    All rights reserved.
 #    BSD license.
 import networkx as nx
-from nose.tools import assert_equals, ok_
+from nose.tools import ok_
 from networkx.algorithms.approximation import treewidth_min_degree
 from networkx.algorithms.approximation import treewidth_min_fill_in
 from networkx.algorithms.approximation.treewidth import min_fill_in_heuristic
diff --git a/networkx/algorithms/approximation/tests/test_vertex_cover.py b/networkx/algorithms/approximation/tests/test_vertex_cover.py
index ada17394..6343a20e 100644
--- a/networkx/algorithms/approximation/tests/test_vertex_cover.py
+++ b/networkx/algorithms/approximation/tests/test_vertex_cover.py
@@ -1,4 +1,3 @@
-from nose.tools import assert_equals
 from nose.tools import ok_
 import networkx as nx
 from networkx.algorithms.approximation import min_weighted_vertex_cover