installation: functools32 removal

* Removes dependency on functools32 which is not used and apparently
  causes weird issues when package is installed from PyPI.

Signed-off-by: Lars Holm Nielsen <lars.holm.nielsen@cern.ch>

invenio_records/cli.py

@@ -30,7 +30,6 @@
 import sys
 
 import click
-from flask import current_app
 from flask_cli import with_appcontext
 from invenio_db import db
 
@@ -59,7 +58,7 @@ def create(source, schema, force):
     else:
         from celery import group
         job = group([create_record.s(data=item, force=force) for item in data])
-        result = job.apply_async()
+        job.apply_async()
 
 
 @records.command()

setup.py

@@ -71,9 +71,6 @@
     'sqlalchemy-utils>=0.31.0',
 ]
 
-if sys.version_info < (3, 2):
-    install_requires.append('functools32>=3.2.3-2')
-
 packages = find_packages()