import instead of make variables

Author: FoamyGuy

adafruit_hashlib/__init__.py

@@ -23,14 +23,8 @@
   https://github.com/adafruit/circuitpython/releases
 """
 try:
-    import hashlib
-    # pylint: disable=invalid-name
-    md5 = hashlib.md5
-    sha1 = hashlib.sha1
-    sha224 = hashlib.sha224
-    sha256 = hashlib.sha256
-    sha384 = hashlib.sha384
-    sha512 = hashlib.sha512
+    from hashlib import md5, sha1, sha224, sha256, sha512
+    from hashlib import sha3_384 as sha384
 except ImportError:
     from adafruit_hashlib._sha256 import sha224, sha256
     from adafruit_hashlib._sha512 import sha384, sha512