fix for proper namespace package cryptoadvance (#524)

setup.py

@@ -1,6 +1,6 @@
 from glob import glob
 
-from setuptools import find_packages, setup
+from setuptools import find_namespace_packages, setup
 
 with open("requirements.txt") as f:
     install_reqs = f.read().strip().split("\n")
@@ -26,7 +26,7 @@ setup(
     long_description=long_description,
     long_description_content_type="text/markdown",
     url="https://github.com/cryptoadvance/specter-desktop",
-    packages=find_packages("src"),
+    packages=find_namespace_packages("src", include=["cryptoadvance.*"]),
     package_dir={"": "src"},
     # take METADATA.in into account, include that stuff as well (static/templates)
     include_package_data=True,