fix codacy issues (#40)

pina/__init__.py

@@ -1,16 +1,16 @@
 __all__ = [
     'PINN',
-    'ParametricPINN',
     'LabelTensor',
     'Plotter',
     'Condition',
-    'Span'
+    'Span',
+    'Location',
 ]
 
 from .meta import *
 from .label_tensor import LabelTensor
 from .pinn import PINN
-#from .ppinn import ParametricPINN
 from .plotter import Plotter
 from .span import Span
 from .condition import Condition
+from .location import Location

pina/model/__init__.py

@@ -1,8 +1,8 @@
 __all__ = [
     'FeedForward',
-    'MultiFeedForward'
+    'MultiFeedForward',
     'DeepONet',
-    'Network'
+    'Network',
 ]
 
 from .feed_forward import FeedForward

pina/pinn.py

@@ -1,8 +1,9 @@
-from .problem import AbstractProblem
+""" Module for PINN """
 import torch
-import matplotlib.pyplot as plt
-import numpy as np
-from pina.label_tensor import LabelTensor
+
+from .problem import AbstractProblem
+from .label_tensor import LabelTensor
+
 torch.pi = torch.acos(torch.zeros(1)).item() * 2 # which is 3.1415927410125732