Fix codacy issues v29

cvat/apps/documentation/user_guide.md

@@ -108,20 +108,20 @@ Go to the [Django administration panel](http://localhost:8080/admin). There you
           ![](static/documentation/images/image125.jpg)
 
         The following actions are available here: 
-         1. Set the attribute’s name. 
-         1. Choose the way to display the attribute: 
-              - Select — drop down list of value 
-              - Radio — is used when it is necessary to choose just one option out of few suggested. 
-              - Checkbox — is used when it is necessary to choose any number of options out of suggested. 
-              - Text — is used when an attribute is entered as a text. 
-              - Number — is used when an attribute is entered as a number. 
-         1. Set values for the attribute. The values could be separated by pressing ``Enter``. 
-         The entered value is displayed as a separate element which could be deleted 
-         by pressing ``Backspace`` or clicking the close button (x). 
-         If the specified way of displaying the attribute is Text or Number, 
-         the entered value will be displayed as text by default (e.g. you can specify the text format).
-         1. Checkbox ``Mutable`` determines if an attribute would be changed frame to frame. 
-         1. You can delete the attribute by clicking the close button (x).
+        1. Set the attribute’s name. 
+        1. Choose the way to display the attribute: 
+           - Select — drop down list of value 
+           - Radio — is used when it is necessary to choose just one option out of few suggested. 
+           - Checkbox — is used when it is necessary to choose any number of options out of suggested. 
+           - Text — is used when an attribute is entered as a text. 
+           - Number — is used when an attribute is entered as a number. 
+        1. Set values for the attribute. The values could be separated by pressing ``Enter``. 
+        The entered value is displayed as a separate element which could be deleted 
+        by pressing ``Backspace`` or clicking the close button (x). 
+        If the specified way of displaying the attribute is Text or Number, 
+        the entered value will be displayed as text by default (e.g. you can specify the text format).
+        1. Checkbox ``Mutable`` determines if an attribute would be changed frame to frame. 
+        1. You can delete the attribute by clicking the close button (x).
 
         Click the ``Continue`` button to add more labels. 
         If you need to cancel adding a label - press the ``Cancel`` button.