Fix exception causes all over the codebase

2 files changed, 5 insertions, 5 deletions

diff --git a/tests/test_build_latex.py b/tests/test_build_latex.py
index d3c491461..3bf6edd66 100644
--- a/tests/test_build_latex.py
+++ b/tests/test_build_latex.py
@@ -64,8 +64,8 @@ def compile_latex_document(app, filename='python.tex'):
                     '-output-directory=%s' % app.config.latex_engine,
                     filename]
             subprocess.run(args, stdout=PIPE, stderr=PIPE, check=True)
-    except OSError:  # most likely the latex executable was not found
-        raise pytest.skip.Exception
+    except OSError as exc:  # most likely the latex executable was not found
+        raise pytest.skip.Exception from exc
     except CalledProcessError as exc:
         print(exc.stdout)
         print(exc.stderr)
@@ -1545,7 +1545,7 @@ def test_texescape_for_unicode_supported_engine(app, status, warning):
     assert 'superscript: ⁰, ¹' in result
     assert 'subscript: ₀, ₁' in result
 
-    
+
 @pytest.mark.sphinx('latex', testroot='basic',
                     confoverrides={'latex_elements': {'extrapackages': r'\usepackage{foo}'}})
 def test_latex_elements_extrapackages(app, status, warning):
diff --git a/tests/test_build_texinfo.py b/tests/test_build_texinfo.py
index 378eaa192..9833218d7 100644
--- a/tests/test_build_texinfo.py
+++ b/tests/test_build_texinfo.py
@@ -58,8 +58,8 @@ def test_texinfo(app, status, warning):
     try:
         args = ['makeinfo', '--no-split', 'sphinxtests.texi']
         subprocess.run(args, stdout=PIPE, stderr=PIPE, cwd=app.outdir, check=True)
-    except OSError:
-        raise pytest.skip.Exception  # most likely makeinfo was not found
+    except OSError as exc:
+        raise pytest.skip.Exception from exc  # most likely makeinfo was not found
     except CalledProcessError as exc:
         print(exc.stdout)
         print(exc.stderr)