Depend on fusepy package instead internal copy

.gitlab-ci.yml

@@ -57,6 +57,7 @@ source_dist:
   variables:
     PYTEST_ADDOPTS: "--color=yes"
   script:
+  - pip install git+https://github.com/fusepy/fusepy.git@6b6e8143d46606677ffbcb38021845d2e13a4645
   # Diagnostics
   - mount
   - df -h

buildstream/_fuse/hardlinks.py

@@ -27,7 +27,7 @@ import shutil
 import stat
 import tempfile
 
-from .fuse import FuseOSError, Operations
+from fuse import FuseOSError, Operations
 
 from .mount import Mount
 

buildstream/_fuse/mount.py

@@ -24,7 +24,7 @@ import sys
 
 from contextlib import contextmanager
 from multiprocessing import Process
-from .fuse import FUSE
+from fuse import FUSE
 
 from .._exceptions import ImplError
 from .. import _signals

setup.cfg

@@ -22,7 +22,6 @@ pep8ignore =
     tmp/* ALL
     */lib/python3* ALL
     */bin/* ALL
-    buildstream/_fuse/fuse.py ALL
     .eggs/* ALL
     *_pb2.py ALL
     *_pb2_grpc.py ALL