old_contents: """Database models for hikes."""
  
  from django.db import models
  from django.utils.encoding import python_2_unicode_compatible
  
  # Create your models here.
  
  
  @python_2_unicode_compatible
  class Hike(models.Model):
      """Model for hike data."""
  
      name = models.CharField(max_length=255, blank=True)
      date = models.DateField(null=True)
      gain = models.IntegerField(null=True)
      high = models.IntegerField(null=True)
      duration = models.DurationField(null=True)
      distance = models.FloatField(null=True)
      region = models.CharField(max_length=255, blank=True)
      park = models.CharField(max_length=255, blank=True)
      weather = models.CharField(max_length=255, blank=True)
      notes = models.TextField(blank=True, null=True)
  
      def __str__(self):
          """String represntation of the model."""
          return self.title
  
new_contents: """Database models for hikes."""
  
  from django.db import models
  from django.utils.encoding import python_2_unicode_compatible
  
  # Create your models here.
  
  
  @python_2_unicode_compatible
  class Hike(models.Model):
      """Model for hike data."""
  
      name = models.CharField(max_length=255, blank=True)
      date = models.DateField(null=True)
      gain = models.IntegerField(null=True)
      height = models.IntegerField(null=True)
      duration = models.DurationField(null=True)
      distance = models.FloatField(null=True)
      region = models.CharField(max_length=255, blank=True)
      park = models.CharField(max_length=255, blank=True)
      weather = models.CharField(max_length=255, blank=True)
      notes = models.TextField(blank=True, null=True)
  
      def __str__(self):
          """String represntation of the model."""
          return self.title
  
subject: change name of one of the attribute fields