Apply suggestions from code review

Co-authored-by: Kevin Anderson <kevin.anderso@gmail.com>

Author: IoannisSifnaios

pvlib/iotools/nasa_power.py

@@ -54,9 +54,9 @@ def get_nasa_power(latitude, longitude, start, end,
         * ``T2M``: Air temperature at 2 m [C]
         * ``WS10M``: Wind speed at 10 m [m/s]
 
-    community: str
+    community: str, default 're'
         Can be one of the following depending on which parameters are of
-        interest. The default is ``'re'``. Note that in many cases this choice
+        interest. Note that in many cases this choice
         might affect the units of the parameter.
 
         * ``'re'``: renewable energy
@@ -73,10 +73,9 @@ def get_nasa_power(latitude, longitude, start, end,
         The definable surface type to adjust the wind speed. For a list of the
         surface types see [4]_. If you provide a wind surface alias please
         include a site elevation with the request.
-    map_variables: bool, optional
+    map_variables: bool, default True
         When true, renames columns of the Dataframe to pvlib variable names
         where applicable. See variable :const:`VARIABLE_MAP`.
-        The default is `True`.
 
     Raises
     ------

tests/iotools/test_nasa_power.py

@@ -20,6 +20,8 @@ def ghi_series(data_index):
     return pd.Series(data=ghi, index=data_index, name='ghi')
 
 
+@pytest.mark.remote_data
+@pytest.mark.flaky(reruns=RERUNS, reruns_delay=RERUNS_DELAY)
 def test_get_nasa_power(data_index, ghi_series):
     data, meta = pvlib.iotools.get_nasa_power(latitude=44.76,
                                               longitude=7.64,