add missing numpy dependency

Author: letmaik

pyvirtualcam/camera.py

@@ -3,6 +3,8 @@
 import platform
 import time
 
+import numpy as np
+
 from pyvirtualcam.util import FPSCounter
 
 if platform.system() == 'Windows':
@@ -50,7 +52,7 @@ def frames_sent(self) -> int:
     def close(self) -> None: pass
 
     @abstractmethod
-    def send(self, frame) -> None:
+    def send(self, frame: np.ndarray) -> None:
         self._frames_sent += 1
 
         self._fps_counter.measure()
@@ -87,7 +89,7 @@ def close(self) -> None:
         super().close()
         _native_windows.stop()
 
-    def send(self, frame) -> None:
+    def send(self, frame: np.ndarray) -> None:
         super().send(frame)
         _native_windows.send(frame)
 

setup.py

@@ -130,6 +130,7 @@ def build_extensions(self):
     ext_modules=ext_modules,
     packages = find_packages(),
     setup_requires=['pybind11>=2.5.0'],
+    install_requires=['numpy'],
     cmdclass={'build_ext': BuildExt},
     zip_safe=False,
 )