diff --git a/Makefile b/Makefile
index 88db0f5..2169760 100644
--- a/Makefile
+++ b/Makefile
@@ -11,3 +11,7 @@ doc:
 
 format:
 	black PyEMD
+
+lint-check:
+	python -m isort --check PyEMD
+	python -m black --check PyEMD
\ No newline at end of file
diff --git a/PyEMD/EMD.py b/PyEMD/EMD.py
index 0557536..a2137b6 100644
--- a/PyEMD/EMD.py
+++ b/PyEMD/EMD.py
@@ -12,7 +12,7 @@
 import numpy as np
 from scipy.interpolate import interp1d
 
-from PyEMD.splines import akima, cubic_spline_3pts, cubic, pchip, cubic_hermite
+from PyEMD.splines import akima, cubic, cubic_hermite, cubic_spline_3pts, pchip
 from PyEMD.utils import get_timeline
 
 FindExtremaOutput = Tuple[np.ndarray, np.ndarray, np.ndarray, np.ndarray, np.ndarray]
diff --git a/PyEMD/__init__.py b/PyEMD/__init__.py
index b2692e4..ce0c222 100644
--- a/PyEMD/__init__.py
+++ b/PyEMD/__init__.py
@@ -1,6 +1,6 @@
 import logging
 
-__version__ = "1.5.0"
+__version__ = "1.5.1"
 logger = logging.getLogger("pyemd")
 
 from PyEMD.CEEMDAN import CEEMDAN  # noqa