diff --git a/parts/server.py b/parts/server.py
index 06399fd..bdf2db0 100644
--- a/parts/server.py
+++ b/parts/server.py
@@ -29,24 +29,24 @@ def getContainers():
     return containers
 
 def check_auth(username, password):
-	admin_list = []
-	with open('edit_admin.json', 'r') as admin:
-		admin_list = json.load(admin)
-	for user in admin_list:
-		if username == user['username']:
-			return password == user['password']
+    admin_list = []
+    with open('edit_admin.json', 'r') as admin:
+        admin_list = json.load(admin)
+    for user in admin_list:
+        if username == user['username']:
+            return password == user['password']
 
 def authenticate():
-	return Response('Could not verify access level. Please retry', 401, {'WWW-Authenticate' :  'Basic realm="Login Required"'})
+    return Response('Could not verify access level. Please retry', 401, {'WWW-Authenticate' :  'Basic realm="Login Required"'})
 
 def requires_auth(f):
-	@wraps(f)
-	def decorated(*args, **kwargs):
-		auth = request.authorization
-		if not auth or not check_auth(auth.username, auth.password):
-			return authenticate()
-		return f(*args, **kwargs)
-	return decorated
+    @wraps(f)
+    def decorated(*args, **kwargs):
+        auth = request.authorization
+        if not auth or not check_auth(auth.username, auth.password):
+            return authenticate()
+        return f(*args, **kwargs)
+    return decorated
 
 def serveImage(img):
     img_io = BytesIO()
@@ -89,7 +89,7 @@ def locationEditor():
     return render_template('locationEditor.html', locations=locations, containers=getContainers())
 
 @app.route('/parts/alterLocation/<locationID>', methods=['POST'])
-# @requires_auth
+@requires_auth
 def alterLocation(locationID):
     locationID = int(locationID)
     s = ''
@@ -193,7 +193,7 @@ def getfile(filename):
     return send_from_directory('/srv/datasheets/', filename + '.pdf')
 
 @app.route('/parts/alter/<partID>', methods=['POST'])
-# @requires_auth
+@requires_auth
 def alter(partID):
     partID = int(partID)
     s = ''
@@ -212,10 +212,14 @@ def alter(partID):
                 i += 1
             datasheet_file.save('/srv/datasheets/' + datasheet_filename)
             datasheet_filename = 'http://elab.kth.se/parts/getfile/' + datasheet_filename
-        elif request.form.has_key('datasheet-url'):
-        	datasheet_filename = request.form['datasheet-url']
+        # elif request.form.has_key('datasheet-url'):
+        #   datasheet_filename = request.form['datasheet-url']
         else:
-            datasheet_filename = None
+            try:
+                datasheet_filename = request.form['datasheet-url']
+            except:
+                print('No docs provided')
+                datasheet_filename = None
         r = db_engine.execute(s, partno=request.form['partno'],
                                  description=request.form['description'],
                                  datasheet=datasheet_filename,
@@ -240,10 +244,14 @@ def alter(partID):
             datasheet_filename = 'http://elab.kth.se/parts/getfile/' + datasheet_filename
             if l[0]['datasheet'] != None:
                 os.remove('/srv/datasheets/' + l[0]['datasheet'])
-        elif request.form.has_key('datasheet-url'):
-        	datasheet_filename = request.form['datasheet-url']
+        # elif request.form.has_key('datasheet-url'):
+        #   datasheet_filename = request.form['datasheet-url']
         else:
-            datasheet_filename = l[0]['datasheet']
+            try:
+                datasheet_filename = request.form['datasheet-url']
+            except:
+                print('No docs provided')
+                datasheet_filename = l[0]['datasheet']
         s += 'where id=:id returning id;'
         s = text(s)
         r = db_engine.execute(s, partno=request.form['partno'],