fix setup for packaging

Author: emanuel-schmid

MANIFEST.in

@@ -1,5 +1,7 @@
 include climada/conf/climada.conf
-graft climada/*/*/test
-graft climada/test
+graft climada/*/*/test/data
+graft climada/*/test/data
+graft climada/test/data
 graft data
+global-exclude .*
 global-exclude *.py[co]

climada/_version.py

@@ -1 +1 @@
-__version__ = '3.1.1'
+__version__ = '3.1.2'

setup.py

@@ -2,7 +2,7 @@
 """
 
 from pathlib import Path
-from setuptools import setup
+from setuptools import find_packages, setup
 
 here = Path(__file__).parent.absolute()
 
@@ -13,7 +13,7 @@
 setup(
     name='climada',
 
-    version='3.1.1',
+    version='3.1.2',
 
     description='CLIMADA in Python',
 
@@ -40,7 +40,7 @@
 
     keywords='climate adaptation',
 
-    packages=['climada', 'data'],
+    packages=find_packages(),
 
     install_requires=[
         'bottleneck',