Fixed database typo and removed unnecessary class identifier.

venv/Lib/site-packages/skimage/io/_plugins/imageio_plugin.py

@@ -0,0 +1,10 @@
+__all__ = ['imread', 'imsave']
+
+from functools import wraps
+import numpy as np
+from imageio import imread as imageio_imread, imsave
+
+
+@wraps(imageio_imread)
+def imread(*args, **kwargs):
+    return np.asarray(imageio_imread(*args, **kwargs))