Adding IMPROVE discovery module (#850)

* ADD: Adding new function for accessing IMPROVE data

* ADD: Adding IMPROVE tests

* ADD: Adding example and updating improve script to add in metadata

* ENH: IMPROVE updates to description

* ENH: updating example to show how to write out as well

* ENH: Updating tests

* Update __init__.py

act/discovery/__init__.py

@@ -8,12 +8,13 @@
 
 __getattr__, __dir__, __all__ = lazy.attach(
     __name__,
-    submodules=['arm', 'cropscape', 'airnow', 'noaapsl', 'neon', 'surfrad'],
+    submodules=['arm', 'asos', 'airnow', 'cropscape', 'improve', 'noaapsl', 'neon', 'surfrad'],
     submod_attrs={
         'arm': ['download_arm_data', 'get_arm_doi'],
         'asos': ['get_asos_data'],
         'airnow': ['get_airnow_bounded_obs', 'get_airnow_obs', 'get_airnow_forecast'],
         'cropscape': ['get_crop_type'],
+        'improve': ['get_improve_data'],
         'noaapsl': ['download_noaa_psl_data'],
         'neon': ['get_neon_site_products', 'get_neon_product_avail', 'download_neon_data'],
         'surfrad': ['download_surfrad_data'],

act/discovery/airnow.py

@@ -75,7 +75,6 @@ def get_airnow_forecast(token, date, zipcode=None, latlon=None, distance=25):
             + str(token)
         )
 
-    print(url)
     df = pd.read_csv(url)
 
     # converting to xarray dataset object