Use "python" instead of "python3" in history attr

Updated the history attribute in `grib_to_netcdf.py` and its
associated test to use "python" instead of "python3".

Author: douglatornell

nowcast/workers/grib_to_netcdf.py

@@ -727,7 +727,7 @@ def _write_netcdf(nemo_ds, file_date, run_date, run_type, config, fcst=False):
         {
             "history": (
                 f"[{arrow.now('local').format('ddd YYYY-MM-DD HH:mm:ss ZZ')}] "
-                f"python3 -m nowcast.workers.grib_to_netcdf $NOWCAST_YAML "
+                f"python -m nowcast.workers.grib_to_netcdf $NOWCAST_YAML "
                 f"{run_type} --run-date {run_date.format('YYYY-MM-DD')}"
             ),
         }

tests/workers/test_grib_to_netcdf.py

@@ -52,7 +52,7 @@ def config(base_config):
                         - [VGRD_AGL-10m, v10, v_wind]           # v component of wind velocity at 10m elevation
                         - [DSWRF_Sfc, ssrd, solar]              # accumulated downward shortwave (solar) radiation at ground level
                         - [DLWRF_Sfc, strd, therm_rad]          # accumulated downward longwave (thermal) radiation at ground level
-                        - [LHTFL_Sfc, lhtfl, LHTFL_surface]     # upward surface latent heat flux (for VHFR FVCOM)
+                        - [LHTFL_Sfc, slhtf, LHTFL_surface]     # upward surface latent heat flux (for VHFR FVCOM)
                         - [TMP_AGL-2m, t2m, tair]               # air temperature at 2m elevation
                         - [SPFH_AGL-2m, sh2, qair]              # specific humidity at 2m elevation
                         - [RH_AGL-2m, r2, RH_2maboveground]     # relative humidity at 2m elevation (for VHFR FVCOM)
@@ -842,7 +842,7 @@ def mock_now(tz):
 
         expected = (
             f"[Sun 2023-03-12 16:02:43 -07:00] "
-            f"python3 -m nowcast.workers.grib_to_netcdf $NOWCAST_YAML "
+            f"python -m nowcast.workers.grib_to_netcdf $NOWCAST_YAML "
             f"{run_type} --run-date 2023-03-12"
         )
         assert nemo_ds.attrs["history"] == expected