Python code formatting

Signed-off-by: Maciej Kurc <mkurc@antmicro.com>
diff --git a/docs/collect_examples.py b/docs/collect_examples.py
index 23217cd..d640df1 100644
--- a/docs/collect_examples.py
+++ b/docs/collect_examples.py
@@ -133,4 +133,3 @@
 
 if __name__ == "__main__":
     collect_examples()
-
diff --git a/docs/conf.py b/docs/conf.py
index 358f647..7cd5003 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -253,7 +253,6 @@
 
 
 def setup(app):
-
     # Collect tests to form examples
     collect_examples()