update example in linear_shade_loss

Author: mikofski

pvlib/shading.py

@@ -379,13 +379,13 @@ def linear_shade_loss(shade_fraction, diffuse_fraction):
 
     See also
     --------
-    pvlib.tracking.tracker_shaded_fraction
+    pvlib.shading.tracker_shaded_fraction
 
     Example
     -------
-    >>> from pvlib import tracking
-    >>> fs = tracking.tracker_shaded_fraction(45.0, 0.8, 45.0, 0)
-    >>> loss = tracking.linear_shade_loss(fs, 0.2)
+    >>> from pvlib import shading
+    >>> fs = shading.tracker_shaded_fraction(45.0, 0.8, 45.0, 0)
+    >>> loss = shading.linear_shade_loss(fs, 0.2)
     >>> P_no_shade = 100  # [kWdc]  DC output from modules
     >>> P_linear_shade = P_no_shade * (1-loss)  # [kWdc] output after loss
     # 90.71067811865476 [kWdc]