views: do not use '_' variable, it causes conflict with babel gettext()

Do not use the '_' variable, this causes a conflict with babel gettext() alias
'_' that results in a traceback.

ogcp/views.py

@@ -27,7 +27,7 @@ from ogcp.models import User
 from ogcp.forms.auth import LoginForm, UserForm, DeleteUserForm
 from ogcp.og_server import OGServer, servers
 from flask_babel import lazy_gettext as _l
-from flask_babel import _
+from flask_babel import gettext, _
 from ogcp import app, ogcp_cfg_path
 import requests
 import datetime
@@ -515,7 +515,7 @@ def action_setup_select():
         client_choices.append((ip, f"{client_name} ({ip})"))
     form.selected_client.choices = client_choices
 
-    scopes, _ = get_scopes(ips)
+    scopes, unused = get_scopes(ips)
     selected_clients = list(get_selected_clients(scopes['scope']).items())
 
     return render_template('actions/select_client.html',
@@ -560,7 +560,7 @@ def action_setup_show():
 
     # Make form.partition length equal to (filtered_partitions - 1) length
     diff = len(filtered_partitions) - 1 - len(form.partitions)
-    [form.partitions.append_entry() for _ in range(diff)]
+    [form.partitions.append_entry() for unused in range(diff)]
 
     for partition, db_part in zip(form.partitions, filtered_partitions[1:]):
         partition.partition.data = str(db_part['partition'])
@@ -1082,7 +1082,7 @@ def action_folder_delete():
         form.server.data = params['scope-server']
         form.submit.render_kw = {"formaction": url_for('action_folder_delete')}
 
-        scopes, _ = get_scopes()
+        scopes, unused = get_scopes()
         folder = find_folder(int(folder_id), scopes)
         if not folder:
             flash(('Folder was not found'), category='info')
@@ -1112,7 +1112,7 @@ def action_folder_add():
     form.room.data = room
     form.center.data = center
     form.submit.render_kw = {"formaction": url_for('action_folder_add_post')}
-    scopes, _ = get_scopes()
+    scopes, unused = get_scopes()
     return render_template('actions/folder_add.html', form=form,
                            parent="scopes.html", scopes=scopes)