Cleanup: gpu docs

doc/python_api/examples/gpu.shader.py

@@ -4,32 +4,33 @@ Built-in shaders
 
 All built-in shaders have the ``mat4 ModelViewProjectionMatrix`` uniform.
 The value of it can only be modified using the :class:`gpu.matrix` module.
-"""
 
 2D_UNIFORM_COLOR:
-  attributes: vec3 pos
-  uniforms: vec4 color
+   attributes: vec3 pos
+   uniforms: vec4 color
 
 2D_FLAT_COLOR:
-  attributes: vec3 pos, vec4 color
-  uniforms: -
+   attributes: vec3 pos, vec4 color
+   uniforms: -
 
 2D_SMOOTH_COLOR:
-  attributes: vec3 pos, vec4 color
-  uniforms: -
+   attributes: vec3 pos, vec4 color
+   uniforms: -
 
 2D_IMAGE:
-  attributes: vec3 pos, vec2 texCoord
-  uniforms: sampler2D image
+   attributes: vec3 pos, vec2 texCoord
+   uniforms: sampler2D image
 
 3D_UNIFORM_COLOR:
-  attributes: vec3 pos
-  uniforms: vec4 color
+   attributes: vec3 pos
+   uniforms: vec4 color
 
 3D_FLAT_COLOR:
-  attributes: vec3 pos, vec4 color
-  uniforms: -
+   attributes: vec3 pos, vec4 color
+   uniforms: -
 
 3D_SMOOTH_COLOR:
-  attributes: vec3 pos, vec4 color
-  uniforms: -
+   attributes: vec3 pos, vec4 color
+   uniforms: -
+
+"""