title: django-import-export error while importing data into database
body: <p><a href="https://i.stack.imgur.com/dEkZE.png" rel="nofollow noreferrer">Here's the SS of import error</a></p>
  
  <p><a href="https://i.stack.imgur.com/0Wyr5.png" rel="nofollow noreferrer">And this is the SS of CSV file</a></p>
  
  <pre><code>    Line number: 1 - 'id'
      Traceback (most recent call last):
      File "/home/carlmark/Desktop/Final/realtyredefine/env/lib/python3.6/site- 
      packages/import_export/resources.py", line 500, in import_row
      instance, new = self.get_or_init_instance(instance_loader, row)
      File "/home/carlmark/Desktop/Final/realtyredefine/env/lib/python3.6/site- 
      packages/import_export/resources.py", line 277, in get_or_init_instance
      instance = self.get_instance(instance_loader, row)
      File "/home/carlmark/Desktop/Final/realtyredefine/env/lib/python3.6/site- 
      packages/import_export/resources.py", line 266, in get_instance
      self.fields[f] for f in self.get_import_id_fields()
      File "/home/carlmark/Desktop/Final/realtyredefine/env/lib/python3.6/site- 
      packages/import_export/resources.py", line 266, in &lt;listcomp&gt;
      self.fields[f] for f in self.get_import_id_fields()
      KeyError: 'id'
  </code></pre>
  
  <pre><code>models.py
  
  class PropertyModel(models.Model):
      Created_By = models.ForeignKey(User, default=1, null=True, on_delete=models.SET_NULL)
      Created_Date = models.DateTimeField(default=timezone.now)
      Serial_No = models.IntegerField()
      Property_ID = models.CharField(primary_key=True, max_length=15)
      Last_Updated_By = models.CharField(max_length=20, null=True, blank=True)
      Last_Updated_On = models.DateTimeField(null=True, blank=True)
      Hot = models.BooleanField(null=True, blank=True, default=False)
      Shared_Website = models.BooleanField(null=True, blank=True, default=False)
      MCG_Property_Code = models.CharField(max_length=20, null=True, blank=True)
      File_Name = models.CharField(max_length=20, null=True, blank=True)
      Picture_Attached = models.ImageField(upload_to='images', null=True, blank=True)
      # Project_info
      Land_Use = models.CharField(max_length=25, choices=land_choice, null=True, blank=True)
      Construction_Completion_Date = models.DateTimeField(null=True, blank=True)
      Project_Structure = models.CharField(max_length=25, choices=structure_choice, null=True, blank=True)
      Project_ID = models.CharField(max_length=20, null=True, blank=True)
      Project_Name = models.CharField(max_length=25, null=True, blank=True)
      Possession_Status = models.CharField(max_length=20, choices=possession_choice)
      Total_Plot_Area = models.CharField(max_length=10, null=True, blank=True)
      Unit_Plot_Area = models.CharField(max_length=20, null=True, blank=True, choices=unit_choice)
      Plot_No = models.CharField(max_length=10, null=True, blank=True)
      Total_Floor = models.CharField(max_length=2, null=True, blank=True)
      # Property Info
      Property_Status = models.CharField(max_length=20, choices=prop_status_choice)
      Property_For = models.CharField(max_length=20, choices=prop_for_choice)
      Calling_Update = models.CharField(max_length=20, null=True, blank=True, choices=calling_choice)
      Property_Type = models.CharField(max_length=15, choices=prop_type_choice)
      Property_Sub_Type = models.CharField(max_length=25, choices=prop_sub_type_choice)
      Property_Use = models.TextField()
      # Address
      Full_Address = models.TextField(null=True, blank=True)
      Building_Name = models.CharField(max_length=20, null=True, blank=True)
      Wing = models.CharField(max_length=20, null=True, blank=True)
      Unit_No = models.CharField(max_length=20, null=True, blank=True)
      Floor = models.CharField(max_length=20, null=True, blank=True)
      Block = models.CharField(max_length=20, null=True, blank=True)
      Landmark = models.CharField(max_length=20, null=True, blank=True)
      # All Locality
      All_Locality = models.TextField(null=True, blank=True)
      Road = models.CharField(max_length=20, null=True, blank=True)
      Colony = models.CharField(max_length=20, null=True, blank=True)
      Locality_1 = models.CharField(max_length=20, null=True, blank=True)
      Locality_2 = models.CharField(max_length=20, null=True, blank=True)
      Sector = models.CharField(max_length=20, choices=sector_choice, null=True, blank=True)
      Area = models.CharField(max_length=20, null=True, blank=True)
      City = models.CharField(max_length=15, choices=city_choioce)
      State = models.CharField(max_length=20, choices=state_choice)
      Country = models.CharField(max_length=10, choices=country_choice)
      Pin_Code = models.CharField(max_length=20, null=True, blank=True)
      # Owner Details
      Owner_ID = models.CharField(max_length=20, null=True, blank=True)
      Owner_Full_Name = models.TextField(null=True, blank=True)
      Owner_All_Contact = models.TextField(null=True, blank=True)
      Owner_Source_Type = models.CharField(max_length=20, null=True, blank=True, choices=owner_source_choice)
      Owner_Company_Name = models.CharField(max_length=20, null=True, blank=True)
      Owner_Name = models.CharField(max_length=50)
      Owner_Mobile = models.CharField(max_length=15)
      Owner_Home_Landline = models.CharField(max_length=15, null=True, blank=True)
      Owner_Office_Landline = models.CharField(max_length=15, null=True, blank=True)
      Owner_Alternative_No1 = models.CharField(max_length=15, null=True, blank=True)
      Owner_Alternative_No2 = models.CharField(max_length=15, null=True, blank=True)
      Owner_Alternative_No3 = models.CharField(max_length=15, null=True, blank=True)
      Owner_Email = models.EmailField(null=True, blank=True)
      Owner_Address = models.TextField(null=True, blank=True)
      Owner_Representative_Name = models.CharField(max_length=20, null=True, blank=True)
      Owner_Representative_No = models.CharField(max_length=15, null=True, blank=True)
      Owner_Caretaker_Name = models.CharField(max_length=20, null=True, blank=True)
      Owner_Caretaker_No = models.CharField(max_length=15, null=True, blank=True)
      Co_Owner_Name = models.CharField(max_length=20, null=True, blank=True)
      Co_Owner_No = models.CharField(max_length=15, null=True, blank=True)
      Owner_Comment = models.TextField(null=True, blank=True)
      # Area
      Super_Area_Min = models.CharField(max_length=10, null=True, blank=True)
      Super_Area_Max = models.CharField(max_length=10)
      Unit_Area = models.CharField(max_length=10, choices=unit_choice)
      Maintainance_Charge_PSF = models.CharField(max_length=10, null=True, blank=True)
      Maintainance_Charge_Min_Rs = models.CharField(max_length=10, null=True, blank=True)
      Maintainance_Charge_Max_Rs = models.CharField(max_length=10, null=True, blank=True)
      Efficiency = models.CharField(max_length=3, null=True, blank=True)
      Covered_Area_Min = models.CharField(max_length=10, null=True, blank=True)
      Covered_Area_Max = models.CharField(max_length=10, null=True, blank=True)
      Expected_Rent_PSF = models.IntegerField()
      Expected_Rent_Min_Rs = models.IntegerField()
      Expected_Rent_Max_Rs = models.IntegerField()
      For_Sale = models.BooleanField(null=True, blank=True, default=False)
      Sale_Price_PSF = models.IntegerField()
      Sale_Price_Min_Rs = models.IntegerField()
      Sale_Price_Max_Rs = models.IntegerField()
      # Aminities
      All_Aminities = models.TextField(null=True, blank=True)
      Aminities_1 = models.CharField(max_length=20, null=True, blank=True)
      Aminities_2 = models.CharField(max_length=20, null=True, blank=True)
      Aminities_3 = models.CharField(max_length=20, null=True, blank=True)
      Aminities_4 = models.CharField(max_length=20, null=True, blank=True)
      Aminities_5 = models.CharField(max_length=20, null=True, blank=True)
      Aminities_6 = models.CharField(max_length=20, null=True, blank=True)
      Aminities_7 = models.CharField(max_length=20, null=True, blank=True)
      # Property Details
      Vastu = models.CharField(max_length=15, null=True, blank=True, choices=vastu_choice)
      Furnishing_Type = models.CharField(max_length=25, choices=furn_type_choice, null=True, blank=True)
      Furnishing_Quality = models.CharField(max_length=15, null=True, blank=True, choices=furn_quality_choice)
      Property_Available = models.CharField(max_length=20, choices=prop_avail_choice, null=True, blank=True)
      Property_Remarks_Internal = models.TextField(null=True, blank=True)
      Property_Remarks_External = models.TextField(null=True, blank=True)
      # Furnishing Details
      Furnishing_Detail = models.TextField(null=True, blank=True)
      Property_Condition = models.CharField(max_length=20, null=True, blank=True)
      Cabin_No = models.CharField(max_length=3, null=True, blank=True)
      Workstation_No = models.CharField(max_length=5, null=True, blank=True)
      Car_Parking_No = models.CharField(max_length=3, null=True, blank=True)
      Conference_No = models.CharField(max_length=3, null=True, blank=True)
      Pantry = models.CharField(max_length=3, null=True, blank=True)
      Server_Room = models.CharField(max_length=3, null=True, blank=True)
      Meeting_Room = models.CharField(max_length=3, null=True, blank=True)
      Cubical = models.CharField(max_length=3, null=True, blank=True)
      Keys_With = models.CharField(max_length=20, null=True, blank=True)
      # eXtra
      Internal_Comments = models.TextField(null=True, blank=True)
      External_Comments = models.TextField(null=True, blank=True)
      Assigned_Manger = models.CharField(max_length=20, choices=manager_choice)
      Group = models.CharField(max_length=20, choices=group_choice)
      Teams = models.CharField(max_length=20, choices=team_choice)
      Source_Channel = models.CharField(max_length=20, choices=source_channel_choice)
      Sub_Source_Channel = models.CharField(max_length=20, choices=sub_source_choice)
      # Pre-rented
      Pre_Rented = models.BooleanField(null=True, blank=True, default=False)
      Company_Name = models.CharField(max_length=20, null=True, blank=True)
      Pre_Rented_Area_Min = models.CharField(max_length=10, null=True, blank=True)
      Pre_Rented_Area_Max = models.CharField(max_length=10, null=True, blank=True)
      ROI = models.CharField(max_length=3)
      Sale_Price_Pre_Rented_PSF = models.IntegerField()
      Sale_Price_Pre_Rented_Min_Rs = models.IntegerField()
      Sale_Price_Pre_Rented_Max_Rs = models.IntegerField()
      Sale_Remark = models.TextField(null=True, blank=True)
      # Lease Terms
      Lease_Start = models.DateTimeField(null=True, blank=True)
      Possession_Date = models.DateTimeField(null=True, blank=True)
      Lease_Period = models.CharField(max_length=20, null=True, blank=True)
      Security_Deposit = models.CharField(max_length=10)
      Lock_in_Period = models.CharField(max_length=3)
      Monthly_Rent_Min_Rs = models.CharField(max_length=10, null=True, blank=True)
      Monthly_Rent_Max_Rs = models.CharField(max_length=10, null=True, blank=True)
      Rent_Escalation = models.CharField(max_length=3)
      Pre_Rented_Remark = models.TextField(null=True, blank=True)
      # Remaining
      Extra1 = models.CharField(max_length=20, null=True, blank=True)
      Extra2 = models.CharField(max_length=20, null=True, blank=True)
      Extra3 = models.CharField(max_length=20, null=True, blank=True)
      Extra4 = models.CharField(max_length=20, null=True, blank=True)
      Attachement = models.CharField(max_length=20, null=True, blank=True)
      Video_Link = models.CharField(max_length=20, null=True, blank=True)
  
      objects = PropertyManager()
  
      class Meta:
          verbose_name_plural = "Properties"
          ordering = ['-Created_Date']
  
      def __str__(self):
          return self.Property_ID
  
  </code></pre>
  
  <pre><code>admini.py
  
  @admin.register(PropertyModel)
  class PropertyAdmin(ImportExportModelAdmin):
      list_display = ['Property_ID', 'Created_By', 'Last_Updated_By']
  
  </code></pre>
  
  <p>I'm trying to import data from a CSV file to my Django database but whenever I tried to import I got "KeyError: 'id'" although there's no "id" field in my model. I'm this issue only when I using PostgreSQL, there's no error when I import the same data in sqlite3.</p>