From 77509c9bc1bb6da06447155c6f6e5333d0b77418 Mon Sep 17 00:00:00 2001
From: Thomas Franks <tcfranks54@gmail.com>
Date: Tue, 20 Sep 2022 11:01:58 -0400
Subject: [PATCH 1/3] Add Missing Type Annotations

---
 adafruit_max31855.py | 19 +++++++++++++------
 1 file changed, 13 insertions(+), 6 deletions(-)

diff --git a/adafruit_max31855.py b/adafruit_max31855.py
index 3734567..3ba7c72 100644
--- a/adafruit_max31855.py
+++ b/adafruit_max31855.py
@@ -32,6 +32,13 @@
 
 from adafruit_bus_device.spi_device import SPIDevice
 
+try:
+    import typing  # pylint: disable=unused-import
+    from digitalio import DigitalInOut
+    from board import SPI
+except ImportError:
+    pass
+
 __version__ = "0.0.0+auto.0"
 __repo__ = "https://github.com/adafruit/Adafruit_CircuitPython_MAX31855.git"
 
@@ -71,11 +78,11 @@ class MAX31855:
             temperature = sensor.temperature
     """
 
-    def __init__(self, spi, cs):
+    def __init__(self, spi: SPI, cs: DigitalInOut) -> None:
         self.spi_device = SPIDevice(spi, cs)
         self.data = bytearray(4)
 
-    def _read(self, internal=False):
+    def _read(self, internal: bool = False) -> int:
         with self.spi_device as spi:
             spi.readinto(self.data)  # pylint: disable=no-member
         if self.data[3] & 0x01:
@@ -94,17 +101,17 @@ def _read(self, internal=False):
         return temp
 
     @property
-    def temperature(self):
+    def temperature(self) -> float:
         """Thermocouple temperature in degrees Celsius."""
         return self._read() / 4
 
     @property
-    def reference_temperature(self):
+    def reference_temperature(self) -> float:
         """Internal reference temperature in degrees Celsius."""
         return self._read(True) * 0.0625
 
     @property
-    def temperature_NIST(self):
+    def temperature_NIST(self) -> float:
         """
         Thermocouple temperature in degrees Celsius, computed using
         raw voltages and NIST approximation for Type K, see:
@@ -187,7 +194,7 @@ def temperature_NIST(self):
             )
         else:
             raise RuntimeError(
-                "Total thermoelectric voltage out of range:{}".format(VTOTAL)
+                f"Total thermoelectric voltage out of range:{VTOTAL}"
             )
         # compute temperature
         TEMPERATURE = 0

From f7519fde67c7e3b52c9036955edccd2fc1d8eb5e Mon Sep 17 00:00:00 2001
From: Thomas Franks <tcfranks54@gmail.com>
Date: Tue, 20 Sep 2022 12:54:47 -0400
Subject: [PATCH 2/3] redo precommit to reformat file

---
 adafruit_max31855.py | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/adafruit_max31855.py b/adafruit_max31855.py
index 3ba7c72..4e2719d 100644
--- a/adafruit_max31855.py
+++ b/adafruit_max31855.py
@@ -193,9 +193,7 @@ def temperature_NIST(self) -> float:
                 -3.110810e-08,
             )
         else:
-            raise RuntimeError(
-                f"Total thermoelectric voltage out of range:{VTOTAL}"
-            )
+            raise RuntimeError(f"Total thermoelectric voltage out of range:{VTOTAL}")
         # compute temperature
         TEMPERATURE = 0
         for n, c in enumerate(DCOEF):

From 8d86a7e96b5c637b98f1d821655570aff55b6039 Mon Sep 17 00:00:00 2001
From: Thomas Franks <tcfranks54@gmail.com>
Date: Tue, 20 Sep 2022 12:59:28 -0400
Subject: [PATCH 3/3] fix spi error

---
 adafruit_max31855.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/adafruit_max31855.py b/adafruit_max31855.py
index 4e2719d..8bbc162 100644
--- a/adafruit_max31855.py
+++ b/adafruit_max31855.py
@@ -35,7 +35,7 @@
 try:
     import typing  # pylint: disable=unused-import
     from digitalio import DigitalInOut
-    from board import SPI
+    from busio import SPI
 except ImportError:
     pass