Change PR template to not link to issues if not filled out

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,11 +1,12 @@
 Thank you for sending your pull request.
 
 ## Summary
+
 Explain in one sentence the goal of this PR / Strategy
 
 Solve the issue: #___
 
 ## Quick strategy idea
 
-- <change log #1>
-- <change log #2>
+- <change log 1>
+- <change log 2>

user_data/strategies/berlinguyinca/AverageStrategy.py

@@ -1,5 +1,5 @@
 # --- Do not remove these libs ---
-from freqtrade.strategy.interface import IStrategy
+from freqtrade.strategy import IStrategy
 from pandas import DataFrame
 # --------------------------------