1 files changed, 86 insertions, 83 deletions

diff --git a/glucometerutils/common.py b/glucometerutils/common.py
index 9af5195..1645c8c 100644
--- a/glucometerutils/common.py
+++ b/glucometerutils/common.py
@@ -21,112 +21,115 @@ import attr
 from glucometerutils import exceptions
 
 class Unit(enum.Enum):
-  MG_DL = 'mg/dL'
-  MMOL_L = 'mmol/L'
+    MG_DL = 'mg/dL'
+    MMOL_L = 'mmol/L'
 
 # Constants for meal information
 class Meal(enum.Enum):
-  NONE = ''
-  BEFORE = 'Before Meal'
-  AFTER = 'After Meal'
+    NONE = ''
+    BEFORE = 'Before Meal'
+    AFTER = 'After Meal'
 
 # Constants for measure method
 class MeasurementMethod(enum.Enum):
-  BLOOD_SAMPLE = 'blood sample'
-  CGM = 'CGM' # Continuous Glucose Monitoring
+    BLOOD_SAMPLE = 'blood sample'
+    CGM = 'CGM' # Continuous Glucose Monitoring
 
 
 def convert_glucose_unit(value, from_unit, to_unit):
-  """Convert the given value of glucose level between units.
+    """Convert the given value of glucose level between units.
 
-  Args:
-    value: The value of glucose in the current unit
-    from_unit: The unit value is currently expressed in
-    to_unit: The unit to conver the value to: the other if empty.
+    Args:
+      value: The value of glucose in the current unit
+      from_unit: The unit value is currently expressed in
+      to_unit: The unit to conver the value to: the other if empty.
 
-  Returns:
-    The converted representation of the blood glucose level.
-  """
-  from_unit = Unit(from_unit)
-  to_unit = Unit(to_unit)
+    Returns:
+      The converted representation of the blood glucose level.
+    """
+    from_unit = Unit(from_unit)
+    to_unit = Unit(to_unit)
 
-  if from_unit == to_unit:
-    return value
+    if from_unit == to_unit:
+        return value
 
-  if from_unit == Unit.MG_DL:
-    return round(value / 18.0, 2)
-  else:
-    return round(value * 18.0, 0)
+    if from_unit == Unit.MG_DL:
+        return round(value / 18.0, 2)
+    else:
+        return round(value * 18.0, 0)
 
 @attr.s
 class GlucoseReading:
 
-  timestamp = attr.ib()  # type: datetime.datetime
-  value = attr.ib()  # type: float
-  meal = attr.ib(
-    default=Meal.NONE, validator=attr.validators.in_(Meal))  # type: Meal
-  comment = attr.ib(default='')  # type: Text
-  measure_method = attr.ib(
-    default=MeasurementMethod.BLOOD_SAMPLE,
-    validator=attr.validators.in_(MeasurementMethod)) # type: MeasurementMethod
-
-  def get_value_as(self, to_unit):
-    """Returns the reading value as the given unit.
-
-    Args:
-      to_unit: (Unit) The unit to return the value to.
-    """
-    return convert_glucose_unit(self.value, Unit.MG_DL, to_unit)
-
-  def as_csv(self, unit):
-    """Returns the reading as a formatted comma-separated value string."""
-    return '"%s","%.2f","%s","%s","%s"' % (
-      self.timestamp, self.get_value_as(unit), self.meal.value,
-      self.measure_method.value, self.comment)
+    timestamp = attr.ib()  # type: datetime.datetime
+    value = attr.ib()  # type: float
+    meal = attr.ib(
+        default=Meal.NONE, validator=attr.validators.in_(Meal))  # type: Meal
+    comment = attr.ib(default='')  # type: Text
+    measure_method = attr.ib(
+        default=MeasurementMethod.BLOOD_SAMPLE,
+        validator=attr.validators.in_(
+            MeasurementMethod)) # type: MeasurementMethod
+
+    def get_value_as(self, to_unit):
+        """Returns the reading value as the given unit.
+
+        Args:
+          to_unit: (Unit) The unit to return the value to.
+        """
+        return convert_glucose_unit(self.value, Unit.MG_DL, to_unit)
+
+    def as_csv(self, unit):
+        """Returns the reading as a formatted comma-separated value string."""
+        return '"%s","%.2f","%s","%s","%s"' % (
+            self.timestamp, self.get_value_as(unit), self.meal.value,
+            self.measure_method.value, self.comment)
 
 @attr.s
 class KetoneReading:
 
-  timestamp = attr.ib()  # type: datetime.datetime
-  value = attr.ib()  # type: float
-  comment = attr.ib(default='')  # type: Text
+    timestamp = attr.ib()  # type: datetime.datetime
+    value = attr.ib()  # type: float
+    comment = attr.ib(default='')  # type: Text
 
-  def as_csv(self, unit):
-    """Returns the reading as a formatted comma-separated value string."""
-    del unit  # Unused for Ketone readings.
+    def as_csv(self, unit):
+        """Returns the reading as a formatted comma-separated value string."""
+        del unit  # Unused for Ketone readings.
 
-    return '"%s","%.2f","%s","%s"' % (
-      self.timestamp, self.value, MeasurementMethod.BLOOD_SAMPLE,
-      self.comment)
+        return '"%s","%.2f","%s","%s"' % (
+            self.timestamp, self.value, MeasurementMethod.BLOOD_SAMPLE,
+            self.comment)
 
 @attr.s
 class MeterInfo:
-  """General information aobut the meter, such as model, serial number and unit.
-
-  Attributes:
-    model: Human readable model name, chosen by the driver.
-    serial_number: Serial number identified for the reader (or N/A if not
-      available in the protocol.)
-    version_info: List of strings with any version information available about
-      the device. It can include hardware and software version.
-    native_unite: One of the Unit values to identify the meter native unit.
-  """
-  model = attr.ib()
-  serial_number = attr.ib(default='N/A')
-  version_info = attr.ib(default=())
-  native_unit = attr.ib(default=Unit.MG_DL, validator=attr.validators.in_(Unit))
-
-  def __str__(self):
-    version_information_string = 'N/A'
-    if self.version_info:
-      version_information_string = '\n    '.join(self.version_info).strip()
-
-    return textwrap.dedent("""\
-      {model}
-      Serial Number: {serial_number}
-      Version Information:
-          {version_information_string}
-      Native Unit: {native_unit}
-      """).format(model=self.model, serial_number=self.serial_number,
-                  version_information_string=version_information_string,
-                  native_unit=self.native_unit.value)
+    """General information about the meter.
+
+    Attributes:
+      model: Human readable model name, chosen by the driver.
+      serial_number: Serial number identified for the reader (or N/A if not
+        available in the protocol.)
+      version_info: List of strings with any version information available about
+        the device. It can include hardware and software version.
+      native_unit: One of the Unit values to identify the meter native unit.
+    """
+    model = attr.ib()
+    serial_number = attr.ib(default='N/A')
+    version_info = attr.ib(default=())
+    native_unit = attr.ib(
+        default=Unit.MG_DL, validator=attr.validators.in_(Unit))
+
+    def __str__(self):
+        version_information_string = 'N/A'
+        if self.version_info:
+            version_information_string = '\n    '.join(
+                self.version_info).strip()
+
+        return textwrap.dedent("""\
+            {model}
+            Serial Number: {serial_number}
+            Version Information:
+                {version_information_string}
+            Native Unit: {native_unit}
+        """).format(model=self.model, serial_number=self.serial_number,
+                    version_information_string=version_information_string,
+                    native_unit=self.native_unit.value)