Update mismatch.py

Author: jesuspolo

pvlib/spectrum/mismatch.py

@@ -757,47 +757,39 @@ def spectral_factor_polo(precipitable_water, airmass_absolute, aod500, aoi,
     [1]. Polo, J., Sanz-saiz, C., Development of spectral mismatch models
     for BIPV applications in building façades Abbreviations : Renew. Energy 245
     ,122820, 2025.:doi:`10.1016/j.renene.2025.122820`
-    
     """
     if module_type is None and coefficients is None:
         raise ValueError('Must provide either `module_type` or `coefficients`')
     if module_type is not None and coefficients is not None:
         raise ValueError('Only one of `module_type` and `coefficients` should '
                          'be provided')
-    
     am_aoi = pvlib.atmosphere.get_relative_airmass(aoi)
     pressure = pvlib.atmosphere.alt2pres(altitude)
-    am90 = pvlib.atmosphere.get_absolute_airmass(am_aoi,pressure)
+    am90 = pvlib.atmosphere.get_absolute_airmass(am_aoi, pressure)
     Ram = am90/airmass_absolute
-    
     _coefficients = {}
     _coefficients = {
         'cdte': (-0.0009, 46.80, 49.20, -0.87, 0.00041, 0.053),
         'monosi': (0.0027, 10.34, 9.48, 0.307, 0.00077, 0.006),
         'cigs': (0.0017, 2.33, 1.30, 0.11, 0.00098, -0.0177),
         'asi': (0.0024, 7.32, 7.09, -0.72, -0.0013, 0.089),
     }
-    
     c = {
         'asi': (0.0056, -0.020, 1.014),
         'cigs': (-0.0009, -0.0003, 1),
         'cdte': (0.0021, -0.01, 1.01),
         'monosi': (0, -0.003, 1.0),
     }
-    
-    if module_type is not None:
+     if module_type is not None:
         coeff = _coefficients[module_type]
         c_albedo = c[module_type]
     else:
         coeff = coefficients
         c_albedo = (0.0, 0.0, 1.0)  # 0.2 albedo assumed
         albedo = 0.2
-    
     smm = coeff[0] * Ram + coeff[1] / (coeff[2] + Ram**coeff[3]) \
         + coeff[4] / aod500 + coeff[5]*np.sqrt(precipitable_water)
-
     # Ground albedo correction
     g = c_albedo[0] * (albedo/0.2)**2 \
         + c_albedo[1] * (albedo/0.2) + c_albedo[2]
-
     return g*smm