Bump chia version

chillax/version.py

@@ -1 +1 @@
-__version__ = "0.1a8"
+__version__ = "0.1a9"

setup.py

@@ -17,7 +17,7 @@ setup(
     packages=find_packages(),
     python_requires=">=3.7",
     install_requires=[
-        "chia==2.0rc14",
+        "chia==2.0rc15",
     ],
     # metadata to display on PyPI
     author="Clemens-Alexander Brust",