minor: small change to Hankel class def

mrava87 · mrava87 · commit 45e9946a96bb · 2024-01-17T21:48:12.000+03:00
diff --git a/pyproximal/projection/Hankel.py b/pyproximal/projection/Hankel.py
@@ -2,7 +2,7 @@
 from scipy.linalg import hankel
 
 
-class HankelProj:
+class HankelProj():
     r"""Hankel matrix projection.
 
     Solves the least squares problem
