diff --git a/core/imagekit_specs.py b/core/imagekit_specs.py
deleted file mode 100644
index fd2e0a1..0000000
--- a/core/imagekit_specs.py
+++ /dev/null
@@ -1,22 +0,0 @@
-from imagekit.specs import ImageSpec
-from imagekit import processors
-
-class ResizeThumb(processors.Resize): 
-    width = 100 
-    crop = False
-
-class ResizeDisplay(processors.Resize):
-    width = 600 
-    
-#class EnhanceThumb(processors.Adjustment): 
-    #contrast = 1.2
-    #sharpness = 2
-
-class Thumbnail(ImageSpec): 
-    access_as = 'thumbnail_image' 
-    pre_cache = True 
-    processors = [ResizeThumb] 
-
-class Display(ImageSpec):
-    increment_count = True
-    processors = [ResizeDisplay]
diff --git a/core/models.py b/core/models.py
index 3a5103e..42219e7 100644
--- a/core/models.py
+++ b/core/models.py
@@ -148,7 +148,7 @@ class Person(TroggleModel):
             return "%s %s" % (self.first_name, self.last_name)
         return self.first_name
 
-    
+
     def notability(self):
         notability = Decimal(0)
         max_expo_val = 0
@@ -172,15 +172,6 @@ class Person(TroggleModel):
         return self.personexpedition_set.order_by('-expedition')[0]
     def last(self):
         return self.personexpedition_set.order_by('expedition')[0]
-    
-    #def Sethref(self):
-        #if self.last_name:
-            #self.href = self.first_name.lower() + "_" + self.last_name.lower()
-            #self.orderref = self.last_name + " " + self.first_name
-        #else:
-          #  self.href = self.first_name.lower()
-            #self.orderref = self.first_name
-        #self.notability = 0.0  # set temporarily
 
 class PersonExpedition(TroggleModel):
     """Person's attendance to one Expo
@@ -412,12 +403,10 @@ class Cave(TroggleModel):
     url = models.CharField(max_length=200,blank=True,null=True)
     filename = models.CharField(max_length=200)
 
-
     #class Meta:
     #    unique_together = (("area", "kataster_number"), ("area", "unofficial_number"))
     # FIXME Kataster Areas and CUCC defined sub areas need seperating    
 
-
     #href    = models.CharField(max_length=100)
     
     class Meta:
@@ -791,33 +780,6 @@ class QM(TroggleModel):
     def wiki_link(self):
         return "%s%s%s" % ('[[QM:',self.code(),']]')
 
-#photoFileStorage = FileSystemStorage(location=settings.PHOTOS_ROOT, base_url=settings.PHOTOS_URL)
-#class DPhoto(TroggleImageModel): 
-    #caption = models.CharField(max_length=1000,blank=True,null=True)
-    #contains_logbookentry = models.ForeignKey(LogbookEntry,blank=True,null=True)
-    #contains_person = models.ManyToManyField(Person,blank=True,null=True)
-    # replace link to copied file with link to original file location
-    #file = models.ImageField(storage=photoFileStorage, upload_to='.',)
-    #is_mugshot = models.BooleanField(default=False)
-    #contains_cave = models.ForeignKey(Cave,blank=True,null=True)
-    #contains_entrance = models.ForeignKey(Entrance, related_name="photo_file",blank=True,null=True)
-    #nearest_survey_point = models.ForeignKey(SurveyStation,blank=True,null=True)
-    #nearest_QM = models.ForeignKey(QM,blank=True,null=True)
-    #lon_utm = models.FloatField(blank=True,null=True)
-    #lat_utm = models.FloatField(blank=True,null=True)
-    
-    # class IKOptions:
-        # spec_module = 'core.imagekit_specs'
-        # cache_dir = 'thumbs'
-        # image_field = 'file'
-        
-    #content_type = models.ForeignKey(ContentType)
-    #object_id = models.PositiveIntegerField()
-    #location = generic.GenericForeignKey('content_type', 'object_id')
-
-    # def __str__(self):
-        # return self.caption
-
 scansFileStorage = FileSystemStorage(location=settings.SURVEY_SCANS, base_url=settings.SURVEYS_URL)
 def get_scan_path(instance, filename):
     year=instance.survey.expedition.year
@@ -837,10 +799,6 @@ class ScannedImage(TroggleImageModel):
     lon_utm = models.FloatField(blank=True,null=True)
     lat_utm = models.FloatField(blank=True,null=True)
 
-    class IKOptions:
-        spec_module = 'core.imagekit_specs'
-        cache_dir = 'thumbs'
-        image_field = 'file'
     #content_type = models.ForeignKey(ContentType)
     #object_id = models.PositiveIntegerField()
     #location = generic.GenericForeignKey('content_type', 'object_id')
diff --git a/middleware.py b/middleware.py
index 7699c6a..51b6b76 100644
--- a/middleware.py
+++ b/middleware.py
@@ -45,5 +45,4 @@ def _resolves(url):
         resolve(url)
         return True
     except http.Http404:
-        return False
- 
+        return False
\ No newline at end of file
diff --git a/parsers/subcaves.py b/parsers/subcaves.py
index 5889a91..0762007 100644
--- a/parsers/subcaves.py
+++ b/parsers/subcaves.py
@@ -1,11 +1,13 @@
 '''
 This module is the part of troggle that parses descriptions of cave parts (subcaves) from the legacy html files and saves them in the troggle database as instances of the model Subcave. Unfortunately, this parser can not be very flexible because the legacy format is poorly structured.
 '''
+import sys
+import os
+import re
+import logging
 
-import sys, os
-
-import os, re, logging
 from django.conf import settings
+
 from troggle.core.models import Subcave, Cave
 from utils import save_carefully
 
diff --git a/pathreport.py b/pathreport.py
index 698ea8f..d6d0a00 100644
--- a/pathreport.py
+++ b/pathreport.py
@@ -1,12 +1,14 @@
 #!/usr/bin/python
-from .settings import * 
 import sys
 import os
 import string
 import re
 import urllib.parse
+
 import django
 
+from .settings import * 
+
 pathsdict={
 "ADMIN_MEDIA_PREFIX" : ADMIN_MEDIA_PREFIX,
 "ADMIN_MEDIA_PREFIX" : ADMIN_MEDIA_PREFIX,
@@ -57,4 +59,3 @@ for p in bycodes:
 byvals = sorted(pathsdict, key=pathsdict.__getitem__)
 for p in byvals:
     print(pathsdict[p] , sep2, p)
- 
\ No newline at end of file
diff --git a/urls.py b/urls.py
index 95b2707..36354cd 100644
--- a/urls.py
+++ b/urls.py
@@ -1,15 +1,15 @@
-from django.conf.urls import *
 from django.conf import settings
+from django.conf.urls import *
+from django.views.generic.edit import UpdateView
+from django.views.generic.list import ListView
+from django.contrib import admin
 
 from .core.views import *  # flat import
 from .core.views_other import *
 from .core.views_caves import *
 from .core.views_survex import *
 from .core.models import *
-from django.views.generic.edit import UpdateView
-from django.contrib import admin
-from django.views.generic.list import ListView
-from django.contrib import admin
+
 admin.autodiscover()
 
 
diff --git a/utils.py b/utils.py
index 7f9ccdd..515b38d 100644
--- a/utils.py
+++ b/utils.py
@@ -1,6 +1,9 @@
+import random
+import re
+import logging
+
 from django.conf import settings
 from django.shortcuts import render
-import random, re, logging
 from troggle.core.models import CaveDescription
 
 def weighted_choice(lst):
@@ -159,6 +162,4 @@ def html_to_wiki(text, codec = "utf-8"):
     #substitutions
     for regex, repl in re_subs:
         out = regex.sub(repl, out)
-    return out
-
-
+    return out
\ No newline at end of file