upgraded django-mailbox

requirements.txt

@@ -43,7 +43,7 @@ django-debug-toolbar==1.11
 django-extensions==2.1.6
 django-htmlmin==0.11.0
 django-leaflet==0.24.0
-django-mailbox==4.7.1
+django-mailbox==4.8.0
 django-oauth-toolkit==1.2.0
 django-oauth2-provider==0.2.6.1
 django-redis==4.10.0
@@ -67,6 +67,7 @@ Faker==1.0.4
 fitparse==1.1.0
 Flask==1.0.2
 future==0.17.1
+GDAL==2.3.3
 geocoder==1.38.1
 geos==0.2.1
 holoviews==1.11.3
@@ -108,7 +109,6 @@ mistune==0.8.4
 mock==2.0.0
 more-itertools==6.0.0
 mpld3==0.3
-mysqlclient==1.4.2.post1
 nbconvert==5.4.1
 nbformat==4.4.0
 nose==1.3.7
@@ -192,6 +192,7 @@ wcwidth==0.1.7
 webencodings==0.5.1
 Werkzeug==0.15.1
 widgetsnbextension==3.4.2
+winkerberos==0.7.0
 xlrd==1.2.0
 xmltodict==0.12.0
 yamjam==0.1.7