diff --git a/gnpy/core/elements.py b/gnpy/core/elements.py
index a33b3d85..e44b4faf 100644
--- a/gnpy/core/elements.py
+++ b/gnpy/core/elements.py
@@ -418,11 +418,11 @@ class Fiber(_Node):
         return self.params.pmd_coef * sqrt(self.params.length)
 
     def _gn_analytic(self, carrier, *carriers):
-        """Computes the nonlinear interference power on a single carrier.
+        r"""Computes the nonlinear interference power on a single carrier.
         The method uses eq. 120 from `arXiv:1209.0394 <https://arxiv.org/abs/1209.0394>`__.
 
         :param carrier: the signal under analysis
-        :param carriers: the full WDM comb
+        :param \*carriers: the full WDM comb
         :return: carrier_nli: the amount of nonlinear interference in W on the under analysis
         """
 
diff --git a/tests/test_propagation.py b/tests/test_propagation.py
index 467b6beb..9b169390 100644
--- a/tests/test_propagation.py
+++ b/tests/test_propagation.py
@@ -13,11 +13,7 @@ from pathlib import Path
 from networkx import dijkstra_path
 from numpy import mean, sqrt, ones
 
-#network_file_name = 'tests/test_network.json'
 network_file_name = Path(__file__).parent.parent / 'tests/LinkforTest.json'
-# TODO: note that this json entries has a weird topology since EDfa1 has a possible branch on a receiver B
-# this might not pass future tests/ code updates
-#network_file_name = Path(__file__).parent.parent / 'examples/edfa_example_network.json'
 eqpt_library_name = Path(__file__).parent.parent / 'tests/data/eqpt_config.json'