Fix identity decorator for when Numba unavailable (#220)

Co-authored-by: Mike Boyle <[email protected]>

pyproject.toml

@@ -7,12 +7,12 @@ license = "MIT"
 authors = ["Michael Boyle <[email protected]>"]
 homepage = "https://github.com/moble/quaternion"
 
+[build-system]
+requires = ["setuptools!=50.0", "wheel", "oldest-supported-numpy"]
+build-backend = "setuptools.build_meta"
+
 [tool.pytest.ini_options]
 minversion = "6.0"
 norecursedirs = ".* build dist *.egg-info install ENV"
 junit_family="xunit2"
 addopts = "-v --tb=short --doctest-glob='' --cov=quaternion --cov-branch --cov-report xml"
-
-[build-system]
-requires = ["setuptools!=50.0", "wheel", "oldest-supported-numpy"]
-build-backend = "setuptools.build_meta"

src/quaternion/numba_wrapper.py

@@ -21,9 +21,9 @@
     #     "may wish to install numba." + \
     #     "\n" + "!" * 53 + "\n"
     # warnings.warn(warning_text)
-    def _identity_decorator_outer(*args, **kwargs):
-        def _identity_decorator_inner(fn):
-            return fn
+    def _identity_decorator_outer(fn):
+        def _identity_decorator_inner(*args, **kwargs):
+            return fn(*args, **kwargs)
         return _identity_decorator_inner
     njit = _identity_decorator_outer
     jit = _identity_decorator_outer