minor optimizations & cleaning (#257)

* use isinstance, some optimizations & whitespace removal

* revert whitespace changes

* revert more whitespace

* some more cleanup

* revert fstring (not a fan of the {{}})

* fix typo

* fix typo

extra/augment.py

@@ -37,4 +37,4 @@ if __name__ == "__main__":
   for i in range(10):
     im = Image.fromarray(X_train[7353+i])
     im_aug = [Image.fromarray(x) for x in augment_img(np.array([X_train[7353+i]]*100))]
-    im.save("aug"+str(i)+".gif", save_all=True, append_images=im_aug, duration=100, loop=0)
+    im.save(f"aug{i}.gif", save_all=True, append_images=im_aug, duration=100, loop=0)

extra/kinne.py

@@ -51,10 +51,10 @@ class KinneDir:
     """
     parameter loads or saves a parameter, given as a tensor.
     """
-    path = self.base + str(self.next_part_index) + ".bin"
+    path = f"{self.base}{self.next_part_index}.bin"
     if self.save:
       t.data.astype("<f4", "C").tofile(path)
-      self.metadata.write(str(self.next_part_index) + ": " + str(t.shape) + "\n")
+      self.metadata.write(f"{self.next_part_index}: {t.shape}\n")
     else:
       t.assign(Tensor(numpy.fromfile(path, "<f4")).reshape(shape=t.shape))
     self.next_part_index += 1
@@ -73,4 +73,3 @@ class KinneDir:
   def close(self):
     if self.save:
       self.metadata.close()
-

extra/utils.py

@@ -24,7 +24,7 @@ def get_parameters(obj):
     for x in obj:
       parameters.extend(get_parameters(x))
   elif hasattr(obj, '__dict__'):
-    for k,v in obj.__dict__.items():
+    for v in obj.__dict__.values():
       parameters.extend(get_parameters(v))
   return parameters