Fix logging statements in Sinkhorn solvers to remove unnecessary print function

Author: Pierre-Louis Barbarant

src/fugw/solvers/utils.py

@@ -736,7 +736,7 @@ def get_pi_sparse(alpha, beta, u, v):
                 if err < tol:
                     if verbose:
                         progress.console.log(
-                            print(f"Reached tolerance threshold: {err}")
+                            f"Reached tolerance threshold: {err}"
                         )
                     break
 
@@ -854,7 +854,7 @@ def get_reg(idx):
                 if err < tol and idx > numItermin:
                     if verbose:
                         progress.console.log(
-                            print(f"Reached tolerance threshold: {err}")
+                            f"Reached tolerance threshold: {err}"
                         )
                     break
 
@@ -970,7 +970,7 @@ def get_reg(idx):
                 if err < tol and idx > numItermin:
                     if verbose:
                         progress.console.log(
-                            print(f"Reached tolerance threshold: {err}")
+                            f"Reached tolerance threshold: {err}"
                         )
                     break