tests: Format all Python code with black, except tests in basics subdir.

This adds the Python files in the tests/ directory to be formatted with
./tools/codeformat.py.  The basics/ subdirectory is excluded for now so we
aren't changing too much at once.

In a few places `# fmt: off`/`# fmt: on` was used where the code had
special formatting for readability or where the test was actually testing
the specific formatting.

1 files changed, 11 insertions, 9 deletions

diff --git a/tests/extmod/ure_error.py b/tests/extmod/ure_error.py
index 02d48d2a8..52a96b7c0 100644
--- a/tests/extmod/ure_error.py
+++ b/tests/extmod/ure_error.py
@@ -9,18 +9,20 @@ except ImportError:
         print("SKIP")
         raise SystemExit
 
+
 def test_re(r):
     try:
         re.compile(r)
         print("OK")
-    except: # uPy and CPy use different errors, so just ignore the type
+    except:  # uPy and CPy use different errors, so just ignore the type
         print("Error")
 
-test_re(r'?')
-test_re(r'*')
-test_re(r'+')
-test_re(r')')
-test_re(r'[')
-test_re(r'([')
-test_re(r'([)')
-test_re(r'[a\]')
+
+test_re(r"?")
+test_re(r"*")
+test_re(r"+")
+test_re(r")")
+test_re(r"[")
+test_re(r"([")
+test_re(r"([)")
+test_re(r"[a\]")