Small comments in models, and removing gassolar from requirements.

robust/simple_wing/models.py

@@ -6,8 +6,8 @@
 
 
 def simple_wing():
-    # Substitutions Variables
-    k = Variable("k", 1.17, "-", "form factor", pr=31.111111, sigma=0.035)
+    # Uncertain parameters
+    k = Variable("k", 1.17, "-", "form factor", pr=31.111111)
     e = Variable("e", 0.92, "-", "Oswald efficiency factor", pr=7.6086956)
     mu = Variable("\\mu", 1.775e-5, "kg/m/s", "viscosity of air", pr=4.225352)
     rho = Variable("\\rho", 1.23, "kg/m^3", "density of air", pr=10)

robust/solar_model/models.py

@@ -3,13 +3,18 @@
 
 from robust.simulations import simulate, read_simulation_data
 
-
 def mike_solar_model(lat):
+    """
+    This model comes from convexengineering/gassolar.
+    Please clone from and see https://github.com/convexengineering/gassolar
+    for details.
+    :param lat:
+    :return:
+    """
     model = solar_mike(latitude=lat)
     model.cost = model["W_{total}"]
     return model
 
-
 if __name__ == '__main__':
     model = mike_solar_model(20)
     number_of_time_average_solves = 30

setup.py

@@ -37,4 +37,4 @@
                 "robust.simulations"],
       package_data={"robust.data":['*.txt'], "robust.solar_model":['*.txt'], "robust.signomial_simple_wing":['*.txt'],
                     "robust.simple_wing":['*.txt']},
-      install_requires=['gpkit', 'gassolar', 'numpy', 'matplotlib', 'scipy'])
+      install_requires=['gpkit', 'numpy', 'matplotlib', 'scipy'])