Tests can assume presence of pandas

Author: Jon Wayne Parrott

monitoring/tests/unit/test__dataframe.py

@@ -12,13 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-try:
-    import pandas
-except ImportError:
-    HAVE_PANDAS = False
-else:
-    HAVE_PANDAS = True  # pragma: NO COVER
-
+import pandas
 import unittest
 
 
@@ -81,7 +75,6 @@ def P(timestamp, value):
         )
 
 
-@unittest.skipUnless(HAVE_PANDAS, 'No pandas')
 class Test__build_dataframe(unittest.TestCase):
 
     def _call_fut(self, *args, **kwargs):