typo in codecov

Author: PhMueller

codecov.yml

@@ -29,4 +29,4 @@ ignore:
     - "hpbandster/examples/.*"
     - "hpbandster/workers/hpolibbenchmark.py"
     - "hpbandster/visualization.py"
-    - "hpbandster/optimizers/lerning_curve_models/base.py
+    - "hpbandster/optimizers/lerning_curve_models/base.py"