Fix codacy issue v1

cvat/apps/documentation/user_guide.md

@@ -28,6 +28,8 @@
   - [Annotation with polygons](#annotation-with-polygons)
   - [Annotation with polylines](#annotation-with-polylines)
   - [Annotation with points](#annotation-with-points)
+    - [Points in annotation mode](#points-in-annotation-mode)
+    - [Linear interpolation with one point](#linear-interpolation-with-one-point)
   - [Annotation with Auto Segmentation](#annotation-with-auto-segmentation)
   - [Auto annotation](#auto-annotation)
   - [Shape grouping](#shape-grouping)
@@ -55,7 +57,7 @@ computer vision tasks developed by our team.
 
     ![](static/documentation/images/image001.jpg)
 
--  For register a new user press "Create an account"
+-   For register a new user press "Create an account"
 
     ![](static/documentation/images/image002.jpg)
 
@@ -94,33 +96,33 @@ Go to the [Django administration panel](http://localhost:8080/admin). There you
     ![](static/documentation/images/image005.jpg)
 
     **Labels**. There are two ways of working with labels:
-      - The ``Constructor`` is a simple way to add and adjust labels. 
-        To add a new label click the ``Add label`` button.
-
-         ![](static/documentation/images/image123.jpg)
-
-         You can set a name of the label in the ``Label name`` field. 
-
-         ![](static/documentation/images/image124.jpg) 
-
-         If necessary you can add an attribute and set its properties by clicking ``Add an attribute``:  
-
-         ![](static/documentation/images/image125.jpg)
-
-          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 ``Constructor`` is a simple way to add and adjust labels. 
+    To add a new label click the ``Add label`` button.
+          
+      ![](static/documentation/images/image123.jpg)
+           
+      You can set a name of the label in the ``Label name`` field. 
+           
+      ![](static/documentation/images/image124.jpg) 
+           
+      If necessary you can add an attribute and set its properties by clicking ``Add an attribute``: 
+         
+      ![](static/documentation/images/image125.jpg)
+
+        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. 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. 
@@ -242,27 +244,27 @@ The next actions are available on this page:
 
     ![](static/documentation/images/image131.jpg)
 
-   1.  Change the task’s title.
-   1.  Open ``Actions`` menu.  
-   1.  Change issue tracker or open issue tracker if it is specified.
-   1.  Change labels.You can add new labels or add attributes for the existing labels in the Raw mode or the Constructor mode. 
-   By clicking ``Copy`` you will copy the labels to the clipboard.
-   1.  Assigned to — is used to assign a task to a person. Start typing an assignee’s name and/or 
-   choose the right person out of the dropdown list.
-
-   1.  ``Jobs`` — is a list of all jobs for a particular task. Here you can find the next data:
-      - Jobs name whit a hyperlink to it.
-      - Frames — the frame interval. 
-      - A status of the job. The status is specified by the user in the menu inside the job. 
-      There are three types of status: annotation, validation or completed. 
-      The status of the job is changes the progress bar of the task.
-      - Started on — start date of this job.
-      - Duration — is the amount of time the job is being worked.
-      - Assignee is the user who is working on the job. 
-      You can start typing an assignee’s name and/or choose the right person out of the dropdown list.
-      - ``Copy``. By clicking Copy you will copy the job list to the clipboard. 
-      The job list contains direct links to jobs. 
-
+    1.   Change the task’s title.
+    1.   Open ``Actions`` menu.  
+    1.   Change issue tracker or open issue tracker if it is specified.
+    1.   Change labels.
+    You can add new labels or add attributes for the existing labels in the Raw mode or the Constructor mode. 
+    By clicking ``Copy`` you will copy the labels to the clipboard.
+    1.   Assigned to — is used to assign a task to a person. Start typing an assignee’s name and/or 
+    choose the right person out of the dropdown list.
+
+    1.  ``Jobs`` — is a list of all jobs for a particular task. Here you can find the next data:
+       - Jobs name whit a hyperlink to it.
+       - Frames — the frame interval. 
+       - A status of the job. The status is specified by the user in the menu inside the job. 
+       There are three types of status: annotation, validation or completed. 
+       The status of the job is changes the progress bar of the task.
+       - Started on — start date of this job.
+       - Duration — is the amount of time the job is being worked.
+       - Assignee is the user who is working on the job. 
+       You can start typing an assignee’s name and/or choose the right person out of the dropdown list.
+       - ``Copy``. By clicking Copy you will copy the job list to the clipboard. 
+       The job list contains direct links to jobs. 
 
 1.  Follow a link inside ``Jobs`` section to start annotation process.
     In some cases, you can have several links. It depends on size of your