sort imports using isort. tested.

core/views/survex.py

@@ -1,25 +1,25 @@
-import re
-import os
 import datetime
 import difflib
-from pathlib import Path
+import os
+import re
 import socket
+from pathlib import Path
 
 from django import forms
-from django.http import HttpResponseRedirect, HttpResponse, Http404
+from django.core.exceptions import MultipleObjectsReturned, ObjectDoesNotExist
+from django.http import Http404, HttpResponse, HttpResponseRedirect
 from django.shortcuts import render
 from django.template.context_processors import csrf
 from django.views.decorators.csrf import ensure_csrf_cookie
 
-from django.core.exceptions import ObjectDoesNotExist, MultipleObjectsReturned
-
-import troggle.settings as settings
 import parsers.survex
-from troggle.core.models.troggle import Expedition, Person, PersonExpedition 
-from troggle.core.models.survex import SurvexBlock, SurvexPersonRole, SurvexFile, SurvexDirectory
-from troggle.core.models.caves import Cave, PersonTrip, LogbookEntry
+import troggle.settings as settings
+from troggle.core.models.caves import Cave, LogbookEntry, PersonTrip
+from troggle.core.models.survex import (SurvexBlock, SurvexDirectory,
+                                        SurvexFile, SurvexPersonRole)
+from troggle.core.models.troggle import Expedition, Person, PersonExpedition
+from troggle.core.utils import WriteAndCommitError, only_commit
 from troggle.parsers.people import GetPersonExpeditionNameLookup
-from troggle.core.utils import only_commit, WriteAndCommitError
 
 '''Everything that views survexfiles 
 but also displays data on a cave or caves when there is ambiguity