standardize module docstring

pina/loss/loss_interface.py

@@ -1,4 +1,4 @@
-"""Module for the Loss Interface"""
+"""Module for the Loss Interface."""
 
 from abc import ABCMeta, abstractmethod
 from torch.nn.modules.loss import _Loss

pina/loss/lp_loss.py

@@ -1,4 +1,4 @@
-"""Module for LpLoss class"""
+"""Module for the LpLoss class."""
 
 import torch
 

pina/loss/power_loss.py

@@ -1,4 +1,4 @@
-"""Module for PowerLoss class"""
+"""Module for the PowerLoss class."""
 
 import torch
 

pina/loss/weighting_interface.py

@@ -1,4 +1,4 @@
-"""Module for the Weighting Interface"""
+"""Module for the Weighting Interface."""
 
 from abc import ABCMeta, abstractmethod