[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

pytest-embedded-nuttx/pytest_embedded_nuttx/serial.py

@@ -79,8 +79,8 @@ def get_key_from_value(dictionary, val):
         # From esp-idf/components/esptool_py:
         # We use esptool.py to flash bootloader in dio mode for QIO/QOUT, bootloader then
         # upgrades itself to quad mode during initialization.
-        if self.flash_mode in ("qio", "qout"):
-            self.flash_mode = "dio"
+        if self.flash_mode in ('qio', 'qout'):
+            self.flash_mode = 'dio'
 
     @EspSerial.use_esptool()
     def flash(self) -> None: