fix: numpy type error + remov legacy argument

imagecorruptions/corruptions.py

@@ -44,7 +44,7 @@ def plasma_fractal(mapsize=256, wibbledecay=3):
     'mapsize' must be a power of two.
     """
     assert (mapsize & (mapsize - 1) == 0)
-    maparray = np.empty((mapsize, mapsize), dtype=np.float_)
+    maparray = np.empty((mapsize, mapsize), dtype=np.float32)
     maparray[0, 0] = 0
     stepsize = mapsize
     wibble = 100
@@ -200,7 +200,7 @@ def speckle_noise(x, severity=1):
 def gaussian_blur(x, severity=1):
     c = [1, 2, 3, 4, 6][severity - 1]
 
-    x = gaussian(np.array(x) / 255., sigma=c, multichannel=True)
+    x = gaussian(np.array(x) / 255., sigma=c)
     return np.clip(x, 0, 1) * 255
 
 
@@ -210,11 +210,11 @@ def glass_blur(x, severity=1):
         severity - 1]
 
     x = np.uint8(
-        gaussian(np.array(x) / 255., sigma=c[0], multichannel=True) * 255)
+        gaussian(np.array(x) / 255., sigma=c[0]) * 255)
 
     x = _shuffle_pixels_njit_glass_blur(np.array(x).shape[0],np.array(x).shape[1],x,c)
 
-    return np.clip(gaussian(x / 255., sigma=c[0], multichannel=True), 0,
+    return np.clip(gaussian(x / 255., sigma=c[0]), 0,
                    1) * 255
 
 def defocus_blur(x, severity=1):