Merge branch 'master' into fix-issue-10244

2 files changed, 5 insertions, 5 deletions

diff --git a/numpy/linalg/tests/test_build.py b/numpy/linalg/tests/test_build.py
index cbf3089bc..4859226d9 100644
--- a/numpy/linalg/tests/test_build.py
+++ b/numpy/linalg/tests/test_build.py
@@ -16,13 +16,13 @@ class FindDependenciesLdd:
             p = Popen(self.cmd, stdout=PIPE, stderr=PIPE)
             stdout, stderr = p.communicate()
         except OSError:
-            raise RuntimeError("command %s cannot be run" % self.cmd)
+            raise RuntimeError(f'command {self.cmd} cannot be run')
 
     def get_dependencies(self, lfile):
         p = Popen(self.cmd + [lfile], stdout=PIPE, stderr=PIPE)
         stdout, stderr = p.communicate()
         if not (p.returncode == 0):
-            raise RuntimeError("failed dependencies check for %s" % lfile)
+            raise RuntimeError(f'failed dependencies check for {lfile}')
 
         return stdout
 
diff --git a/numpy/linalg/tests/test_linalg.py b/numpy/linalg/tests/test_linalg.py
index 3f3bf9f70..21fab58e1 100644
--- a/numpy/linalg/tests/test_linalg.py
+++ b/numpy/linalg/tests/test_linalg.py
@@ -85,7 +85,7 @@ class LinalgCase:
         do(self.a, self.b, tags=self.tags)
 
     def __repr__(self):
-        return "<LinalgCase: %s>" % (self.name,)
+        return f'<LinalgCase: {self.name}>'
 
 
 def apply_tag(tag, cases):
@@ -349,7 +349,7 @@ class LinalgTestCase:
             try:
                 case.check(self.do)
             except Exception:
-                msg = "In test case: %r\n\n" % case
+                msg = f'In test case: {case!r}\n\n'
                 msg += traceback.format_exc()
                 raise AssertionError(msg)
 
@@ -1732,7 +1732,7 @@ class TestCholesky:
 
             b = np.matmul(c, c.transpose(t).conj())
             assert_allclose(b, a,
-                            err_msg="{} {}\n{}\n{}".format(shape, dtype, a, c),
+                            err_msg=f'{shape} {dtype}\n{a}\n{c}',
                             atol=500 * a.shape[0] * np.finfo(dtype).eps)
 
     def test_0_size(self):