Fix alignment no 3 spaces

episodes/15-coding-conventions.md

@@ -138,33 +138,33 @@ or a hanging indent.
 ```python
 # Add an extra level of indentation (extra 4 spaces) to distinguish arguments from the rest of the code that follows
 def long_function_name(
-       var_one, var_two, var_three,
-       var_four):
-   print(var_one)
+        var_one, var_two, var_three,
+        var_four):
+    print(var_one)
 
 
 # Aligned with opening delimiter
 foo = long_function_name(var_one, var_two,
-                        var_three, var_four)
+                         var_three, var_four)
 
 # Use hanging indents to add an indentation level like paragraphs of text where all the lines in a paragraph are
 # indented except the first one
 foo = long_function_name(
-   var_one, var_two,
-   var_three, var_four)
+    var_one, var_two,
+    var_three, var_four)
 
 # Using hanging indent again, but closing bracket aligned with the first non-blank character of the previous line
 a_long_list = [
-   [[1, 2, 3], [4, 5, 6], [7, 8, 9]], [[0.33, 0.66, 1], [0.66, 0.83, 1], [0.77, 0.88, 1]]
-   ]
+    [[1, 2, 3], [4, 5, 6], [7, 8, 9]], [[0.33, 0.66, 1], [0.66, 0.83, 1], [0.77, 0.88, 1]]
+    ]
 
 # Using hanging indent again, but closing bracket aligned with the start of the multiline contruct
 a_long_list2 = [
-   1,
-   2,
-   3,
-   # ...
-   79
+    1,
+    2,
+    3,
+    # ...
+    79
 ]
 ```
 
@@ -189,11 +189,11 @@ to indicate line continuation (slightly less preferred method).
 ```python
 # Using delimiters ( ) to wrap a multi-line expression
 if (a == True and
-   b == False):
+    b == False):
 
 # Using a backslash (\) for line continuation
 if a == True and \
-   b == False:
+    b == False:
 ```
 
 ### Should a Line Break Before or After a Binary Operator?