Linter optimisation

Author: Daniel Lassahn

pvlib/solarposition.py

@@ -1523,8 +1523,8 @@ def spencer_mc(times, latitude, longitude):
     ha = np.radians(tlt * 15)
 
     # Calculate sun elevation.
-    sin_sun_elevation = (np.sin(declination) * np.sin(lat) +
-                         np.cos(declination) * np.cos(lat) * np.cos(ha))
+    sin_sun_elevation = np.sin(declination) * np.sin(lat)
+    sin_sun_elevation += np.cos(declination) * np.cos(lat) * np.cos(ha)
 
     # Compute the sun's elevation and zenith angle.
     elevation = np.arcsin(sin_sun_elevation)

pvlib/tools.py

@@ -447,7 +447,7 @@ def datetime_to_julian(times):
     """
 
     delta = times - DT_2000
+    delta_julians = (delta.seconds + delta.microseconds / 1e6)
     return (
-        JULIAN_2000 + delta.days +
-        (delta.seconds + delta.microseconds / 1e6) / DAY_SECONDS
+        JULIAN_2000 + delta.days + delta_julians / DAY_SECONDS
     )