diff --git a/tests/test_dsdp.py b/tests/test_dsdp.py
index d514dc8..2a5e5bf 100644
--- a/tests/test_dsdp.py
+++ b/tests/test_dsdp.py
@@ -4,9 +4,10 @@ class TestDSDP(unittest.TestCase):
 
     def setUp(self):
         try:
-            from cvxopt import dsdp, matrix
-        except:
+            import cvxopt.dsdp
+        except ModuleNotFoundError:
             self.skipTest("DSDP not available")
+        from cvxopt import matrix
         c = matrix([1.,-1.,1.])
         G = [ matrix([[-7., -11., -11., 3.],
                     [ 7., -18., -18., 8.],
diff --git a/tests/test_glpk.py b/tests/test_glpk.py
index 89f876d..dad5801 100644
--- a/tests/test_glpk.py
+++ b/tests/test_glpk.py
@@ -4,15 +4,16 @@ class TestGLPK(unittest.TestCase):
 
     def setUp(self):
         try:
-            from cvxopt import glpk, matrix
-            c = matrix([-4., -5.])
-            G = matrix([[2., 1., -1., 0.], [1., 2., 0., -1.]])
-            h = matrix([3., 3., 0., 0.])
-            A = matrix([1.0,1.0],(1,2))
-            b = matrix(1.0)
-            self._prob_data = (c,G,h,A,b)
-        except:
+            import cvxopt.glpk
+        except ModuleNotFoundError:
             self.skipTest("GLPK not available")
+        from cvxopt import matrix
+        c = matrix([-4., -5.])
+        G = matrix([[2., 1., -1., 0.], [1., 2., 0., -1.]])
+        h = matrix([3., 3., 0., 0.])
+        A = matrix([1.0,1.0],(1,2))
+        b = matrix(1.0)
+        self._prob_data = (c,G,h,A,b)
 
     def test_lp(self):
         from cvxopt import solvers, glpk
diff --git a/tests/test_gsl.py b/tests/test_gsl.py
index d24f058..3ee9a37 100644
--- a/tests/test_gsl.py
+++ b/tests/test_gsl.py
@@ -4,8 +4,8 @@ class TestGSL(unittest.TestCase):
 
     def setUp(self):
         try:
-            from cvxopt import gsl
-        except:
+            import cvxopt.gsl
+        except ModuleNotFoundError:
             self.skipTest("GSL not available")
 
     def test1(self):
diff --git a/tests/test_mosek.py b/tests/test_mosek.py
index e3d0f4e..6cd1fbf 100644
--- a/tests/test_mosek.py
+++ b/tests/test_mosek.py
@@ -4,8 +4,8 @@ class TestMOSEK(unittest.TestCase):
 
     def setUp(self):
         try:
-            from cvxopt import msk
-        except:
+            import cvxopt.msk
+        except ModuleNotFoundError:
             self.skipTest("MOSEK not available")
 
     def assertAlmostEqualLists(self,L1,L2,places=3):