fix doctests

Author: birgits

windpowerlib/modelchain.py

@@ -91,9 +91,9 @@ class ModelChain(object):
     ...    'rotor_diameter': 127,
     ...    'turbine_name': 'ENERCON E 126 7500'}
     >>> e126 = wind_turbine.WindTurbine(**enerconE126)
-    >>> modelchain_data = {'rho_model': 'ideal_gas'}
-    >>> e126_md = modelchain.ModelChain(e126, **modelchain_data)
-    >>> print(e126.rotor_diameter)
+    >>> modelchain_data = {'density_model': 'ideal_gas'}
+    >>> e126_mc = modelchain.ModelChain(e126, **modelchain_data)
+    >>> print(e126_mc.wind_turbine.rotor_diameter)
     127
 
     """

windpowerlib/tools.py

@@ -59,7 +59,7 @@ def linear_interpolation_extrapolation(df, target_height):
     ...                                    np.array([10, 80])])
     >>> linear_interpolation_extrapolation(
     ...     weather_df['wind_speed'], 100)[0]
-    6.857143
+    6.8571428571428577
 
     """
     # find closest heights

windpowerlib/wind_turbine.py

@@ -236,11 +236,11 @@ def get_turbine_types(print_out=True, **kwargs):
     Examples
     --------
     >>> from windpowerlib import wind_turbine
-    >>> valid_types_df = wind_turbine.get_turbine_types(print_out=False)
-    >>> print(valid_types_df.iloc[5])
-    turbine_id    DEWIND D8 2000
-    p_nom                   2000
-    Name: 5, dtype: object
+    >>> turbines = wind_turbine.get_turbine_types(print_out=False)
+    >>> print(turbines[turbines["turbine_id"].str.contains("ENERCON")].iloc[0])
+    turbine_id    ENERCON E 101 3000
+    p_nom                       3000
+    Name: 25, dtype: object
 
     """
     df = read_turbine_data(**kwargs)