TST: Only import time.perf_counter (#1480)

Author: snowman2

test/test_awips221.py

@@ -1,15 +1,11 @@
 import array
+from time import perf_counter
 
 import numpy
 from numpy.testing import assert_allclose
 
 from pyproj import Proj, __proj_version__
 
-try:
-    from time import perf_counter
-except ImportError:
-    from time import clock as perf_counter
-
 
 def test_awips221():
     params = {}

test/test_pickle.py

@@ -5,17 +5,13 @@
 import shutil
 import tempfile
 from contextlib import contextmanager
+from time import perf_counter
 
 import numpy
 from numpy.testing import assert_allclose
 
 from pyproj import Proj
 
-try:
-    from time import perf_counter
-except ImportError:
-    from time import clock as perf_counter
-
 
 @contextmanager
 def temporary_directory():