fit_gisas / gisas_model1: restore hard-coded detector size

Examples/fit/scatter2d/gisas_model1.py

@@ -33,7 +33,7 @@ def get_sample(params):
 def get_simulation(params):
     beam = ba.Beam(10**params['lg(intensity)'], 0.1*nm,
                    ba.Direction(0.2*deg, 0))
-    n = bp.simargs['n']
+    n = 100 # bp.simargs['n']
     det = ba.SphericalDetector(n, -1.5*deg, 1.5*deg, n, 0, 3*deg)
     sample = get_sample(params)