fix issue with calling len() on unsized object in scee.py:clean_inputs()

Author: JacobGunnell

SiPANN/scee.py

@@ -1,5 +1,6 @@
 import warnings
-from abc import ABC, abstractmethod
+from abc import ABC
+from abc import abstractmethod
 
 import gdspy
 import numpy as np
@@ -166,8 +167,7 @@ def clean_inputs(inputs):
     inputs = list(inputs)
     # make all scalars into numpy arrays
     for i in range(len(inputs)):
-        if np.isscalar(inputs[i]):
-            inputs[i] = np.array([inputs[i]])
+        inputs[i] = np.array(inputs[i]).flatten()
 
     # take largest size of numpy arrays, or set value (if it's not 0)
     n = max(len(i) for i in inputs)
@@ -517,7 +517,7 @@ def gds(
         if units == "nms":
             scale = 1
         elif units == "microns":
-            scale = 10 ** -3
+            scale = 10**-3
         else:
             raise ValueError("Invalid units")
 
@@ -861,7 +861,7 @@ def gds(self, filename=None, view=False, extra=0, units="nms"):
         if units == "nms":
             scale = 1
         elif units == "microns":
-            scale = 10 ** -3
+            scale = 10**-3
         else:
             raise ValueError("Invalid units")
 
@@ -1049,7 +1049,7 @@ def gds(self, filename=None, view=False, extra=0, units="nms"):
         if units == "nms":
             scale = 1
         elif units == "microns":
-            scale = 10 ** -3
+            scale = 10**-3
         else:
             raise ValueError("Invalid units")
 
@@ -1216,7 +1216,7 @@ def gds(
         if units == "nms":
             scale = 1
         elif units == "microns":
-            scale = 10 ** -3
+            scale = 10**-3
         else:
             raise ValueError("Invalid units")
 
@@ -1379,9 +1379,9 @@ def predict(self, ports, wavelength):
             offset = np.pi / 2
 
         # determine z distance - length + 2*sbend length
-        m = (V * np.pi / 2) ** 2 / (H ** 2 + (V * np.pi / 2) ** 2)
+        m = (V * np.pi / 2) ** 2 / (H**2 + (V * np.pi / 2) ** 2)
         z_dist = length + 2 * np.sqrt(
-            H ** 2 + (V * np.pi / 2) ** 2
+            H**2 + (V * np.pi / 2) ** 2
         ) / np.pi * special.ellipeinc(np.pi, m)
         if (
             1 in ports
@@ -1419,7 +1419,7 @@ def gds(
         if units == "nms":
             scale = 1
         elif units == "microns":
-            scale = 10 ** -3
+            scale = 10**-3
         else:
             raise ValueError("Invalid units")
 
@@ -1986,7 +1986,7 @@ def gds(self, filename=None, extra=0, units="microns", view=False):
         if units == "nms":
             scale = 1
         elif units == "microns":
-            scale = 10 ** -3
+            scale = 10**-3
         else:
             raise ValueError("Invalid units")