ci: Minor fixes from pre-commit run

Author: Synss

README.rst

@@ -373,7 +373,7 @@ root CA signs:
 >>> ca1_csr = x509.CSR.new(ca1_key, "CN=Intermediate CA", hashlib.sha256())
 >>>
 >>> ca1_crt = ca0_crt.sign(
-...     ca1_csr, ca0_key, now, now + dt.timedelta(days=90), 0x123456, 
+...     ca1_csr, ca0_key, now, now + dt.timedelta(days=90), 0x123456,
 ...     basic_constraints=x509.BasicConstraints(ca=True, max_path_length=3))
 ...
 

docs/Makefile

@@ -16,4 +16,4 @@ help:
 # Catch-all target: route all unknown targets to Sphinx using the new
 # "make mode" option.  $(O) is meant as a shortcut for $(SPHINXOPTS).
 %: Makefile
-	@$(SPHINXBUILD) -M $@ "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)
+	@$(SPHINXBUILD) -M $@ "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)

docs/source/index.rst

@@ -26,4 +26,3 @@ Indices and tables
 * :ref:`genindex`
 * :ref:`modindex`
 * :ref:`search`
-

setup.py

@@ -70,7 +70,7 @@ def mbedtls_version_info(lib):
 def check_mbedtls_support(version, url):
     library = ctypes.util.find_library("mbedtls")
     if not library:
-        sys.stderr.write("  Library not found{sep}".format(sep=os.linesep))
+        sys.stderr.write(f"  Library not found{os.linesep}")
         sys.stderr.write(
             "  The paths are probably not set correctly but let's try anyway{sep}".format(
                 sep=os.linesep
@@ -79,16 +79,16 @@ def check_mbedtls_support(version, url):
         return
     try:
         lib = ctypes.cdll.LoadLibrary(library)
-        sys.stdout.write("  loading: {!r}\n".format(lib._name))
+        sys.stdout.write(f"  loading: {lib._name!r}\n")
         sys.stdout.write(
             "  mbedtls version: {!s}{sep}".format(
                 mbedtls_version(lib), sep=os.linesep
             )
         )
-        sys.stdout.write("  python-mbedtls version: {0}\n".format(VERSION))
+        sys.stdout.write(f"  python-mbedtls version: {VERSION}\n")
     except OSError as exc:
         lib = None
-        sys.stderr.write("  {exc!s}{sep}".format(exc=exc, sep=os.linesep))
+        sys.stderr.write(f"  {exc!s}{os.linesep}")
     if lib and mbedtls_version_info(lib) < version[:2]:
         message = (
             "  python-mbedtls requires at least mbedtls {major}.{minor}".format(