package/python-apispec: fix formatting in hash file

Fixes:

package/python-apispec/python-apispec.hash:2: separation does not match expectation (http://nightly.buildroot.org/#adding-packages-hash)

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/python-apispec/python-apispec.hash

@@ -1,5 +1,5 @@
 # md5, sha256 from https://pypi.org/pypi/apispec/json
-md5   b4e90006a26215e2e0a6fe2629d12c10 apispec-6.0.2.tar.gz
+md5  b4e90006a26215e2e0a6fe2629d12c10  apispec-6.0.2.tar.gz
 sha256  e76d80b739edef4be213092a6384ad7fd933ba7d64f6d5a0aff8d4da1bef7887  apispec-6.0.2.tar.gz
 # Locally computed sha256 checksums
 sha256  a452afcef750956a8396f7e7a6f913a117d28ef99a13170c29dc74c3b7a95f29  LICENSE