Move suitesparse/graphblas -> suitesparse_graphblas to avoid potential name conflicts

Author: jim22k

setup.py

@@ -6,7 +6,7 @@
     description='SuiteSparse:GraphBLAS Python bindings.',
     packages=find_packages(),
     author='Michel Pelletier, James Kitchen, Erik Welch',
-    cffi_modules=["suitesparse/graphblas/build.py:ffibuilder"],
+    cffi_modules=["suitesparse_graphblas/build.py:ffibuilder"],
     install_requires=["cffi>=1.0.0"],
     setup_requires=["cffi>=1.0.0", "pytest-runner"],
     tests_require=["pytest"],

suitesparse/__init__.py

@@ -11,7 +11,7 @@
     source = f.read()
 
 ffibuilder.set_source(
-    "suitesparse.graphblas._graphblas",
+    "suitesparse_graphblas._graphblas",
     source,
     libraries=["graphblas"],
     include_dirs=[os.path.join(sys.prefix, "include")],

suitesparse/graphblas/__init__.py renamed to suitesparse_graphblas/__init__.py

@@ -1,4 +1,4 @@
-from suitesparse.graphblas import lib, ffi
+from suitesparse_graphblas import lib, ffi
 
 def test_matrix_existence():
     assert hasattr(lib, "GrB_Matrix_new")