Update demo package setup to read dependency versions from requiremen…

…t file (#1367)

demo/python/setup.py

@@ -26,17 +26,20 @@
 with open(os.path.join(os.path.dirname(__file__), 'README.md'), 'r') as f:
     long_description = f.read()
 
+with open(os.path.join(os.path.dirname(__file__), "requirements.txt"), "r") as f:
+    dependencies = f.read().strip().splitlines()
+
 setuptools.setup(
     name="pvporcupinedemo",
-    version="3.0.4",
+    version="3.0.5",
     author="Picovoice",
     author_email="[email protected]",
     description="Porcupine wake word engine demos",
     long_description=long_description,
     long_description_content_type="text/markdown",
     url="https://github.com/Picovoice/porcupine",
     packages=["pvporcupinedemo"],
-    install_requires=["pvporcupine==3.0.4", "pvrecorder==1.2.4"],
+    install_requires=dependencies,
     include_package_data=True,
     classifiers=[
         "Development Status :: 5 - Production/Stable",