Traceback (most recent call last):


 "/Users/yuvrajchaudhry/Documents/progs/manim-master/manimlib/extract_scene.py", line 155, in main

scene = SceneClass(**scene_kwargs)


 "/Users/yuvrajchaudhry/Documents/progs/manim-master/manimlib/scene/scene.py", line 53, in __init__

self.construct()


 "example_scenes.py", line 83, in construct

self.play(ShowCreation(square))


 "/Users/yuvrajchaudhry/Documents/progs/manim-master/manimlib/scene/scene.py", line 406, in wrapper

func(self, *args, **kwargs)


 "/Users/yuvrajchaudhry/Documents/progs/manim-master/manimlib/scene/scene.py", line 463, in play

self.progress_through_animations(animations)


 "/Users/yuvrajchaudhry/Documents/progs/manim-master/manimlib/scene/scene.py", line 438, in progress_through_animations

self.update_frame(moving_mobjects, static_image)


 "/Users/yuvrajchaudhry/Documents/progs/manim-master/manimlib/scene/scene.py", line 140, in update_frame

self.capture_mobjects_in_camera(mobjects, **kwargs)


 "/Users/yuvrajchaudhry/Documents/progs/manim-master/manimlib/scene/scene.py", line 118, in capture_mobjects_in_camera

self.camera.capture_mobjects(mobjects, **kwargs)


 "/Users/yuvrajchaudhry/Documents/progs/manim-master/manimlib/camera/camera.py", line 269, in capture_mobjects

func(batch, self.pixel_array)


 "/Users/yuvrajchaudhry/Documents/progs/manim-master/manimlib/camera/camera.py", line 317, in display_multiple_vectorized_mobjects

self.display_multiple_non_background_colored_vmobjects(batch, pixel_array)


 "/Users/yuvrajchaudhry/Documents/progs/manim-master/manimlib/camera/camera.py", line 320, in display_multiple_non_background_colored_vmobjects

ctx = self.get_cairo_context(pixel_array)


 "/Users/yuvrajchaudhry/Documents/progs/manim-master/manimlib/camera/camera.py", line 290, in get_cairo_context

surface = cairo.ImageSurface.create_for_data(
AttributeError: module 'cairo' has no attribute 'ImageSurface'

Traceback (most recent call last):


 "/opt/pyenv/versions/3.7.1/bin/run_create_in_docker", line 11, in <module>

load_entry_point('conan-package-tools==0.25.1', 'console_scripts', 'run_create_in_docker')()


 "/opt/pyenv/versions/3.7.1/lib/python3.7/site-packages/cpt/run_in_docker.py", line 50, in run

runner.run()


 "/opt/pyenv/versions/3.7.1/lib/python3.7/site-packages/cpt/runner.py", line 130, in run

self._upload, package_id)


 "/opt/pyenv/versions/3.7.1/lib/python3.7/site-packages/cpt/uploader.py", line 16, in upload_packages

self._upload_artifacts(reference, upload, package_id)


 "/opt/pyenv/versions/3.7.1/lib/python3.7/site-packages/cpt/uploader.py", line 50, in _upload_artifacts

retry=int(self._upload_retry))


 "/opt/pyenv/versions/3.7.1/lib/python3.7/site-packages/conans/client/conan_api.py", line 93, in wrapper

return f(*args, **kwargs)


 "/opt/pyenv/versions/3.7.1/lib/python3.7/site-packages/conans/client/conan_api.py", line 868, in upload

retry_wait, integrity_check, policy, remote_name, query=query)


 "/opt/pyenv/versions/3.7.1/lib/python3.7/site-packages/conans/client/cmd/uploader.py", line 88, in upload

integrity_check, policy, remote, upload_recorder)


 "/opt/pyenv/versions/3.7.1/lib/python3.7/site-packages/conans/client/cmd/uploader.py", line 190, in _upload_ref

self._upload_recipe(ref, conanfile, retry, retry_wait, policy, recipe_remote)


 "/opt/pyenv/versions/3.7.1/lib/python3.7/site-packages/conans/client/cmd/uploader.py", line 230, in _upload_recipe

remote, remote_manifest)


 "/opt/pyenv/versions/3.7.1/lib/python3.7/site-packages/conans/client/cmd/uploader.py", line 344, in _recipe_files_to_upload

if remote_manifest == local_manifest:


 "/opt/pyenv/versions/3.7.1/lib/python3.7/site-packages/conans/model/manifest.py", line 132, in __eq__

return self.file_sums == other.file_sums
AttributeError: 'NoneType' object has no attribute 'file_sums'
