TST: decorate test_get_psm3 with needs_pandas_0_22

Author: mikofski

pvlib/test/conftest.py

@@ -94,6 +94,10 @@ def pandas_0_22():
     return parse_version(pd.__version__) >= parse_version('0.22.0')
 
 
+needs_pandas_0_22 = pytest.mark.skipif(
+    not pandas_0_22(), reason='requires pandas 0.22 or greater')
+
+
 def has_spa_c():
     try:
         from pvlib.spa_c_files.spa_py import spa_calc

pvlib/test/test_psm3.py

@@ -4,6 +4,7 @@
 
 import os
 from pvlib.iotools import psm3
+from pvlib.test.conftest import needs_pandas_0_22
 import numpy as np
 import pandas as pd
 import pytest
@@ -22,6 +23,7 @@
     'Wind Speed', 'Surface Albedo Units', 'Version']
 
 
+@needs_pandas_0_22
 def test_get_psm3():
     """test get_psm3"""
     header, data = psm3.get_psm3(LATITUDE, LONGITUDE)