Fix flake8 error E231 missing whitespace

dhnx/network.py

@@ -150,13 +150,13 @@ def add(self, class_name, id, **kwargs):
         id
         kwargs
         """
-        assert class_name in available_components.index,\
+        assert class_name in available_components.index, \
             f"Component class {class_name} is not within the available components" \
             f" {available_components.index}."
 
         list_name = available_components.loc[class_name].list_name
 
-        assert id not in self.components[list_name].index,\
+        assert id not in self.components[list_name].index, \
             f"There is already a component with the id {id}."
 
         # check if required parameters are in kwargs
@@ -187,12 +187,12 @@ def remove(self, class_name, id):
         id : int
             id of the component to remove
         """
-        assert class_name in available_components.index,\
+        assert class_name in available_components.index, \
             "Component class '{}' is not within the available_components."
 
         list_name = available_components.loc[class_name].list_name
 
-        assert id in self.components[list_name].index,\
+        assert id in self.components[list_name].index, \
             f"There is no component with the id {id}."
 
         self.components[list_name].drop(id, inplace=True)

dhnx/simulation.py

@@ -40,7 +40,7 @@ def __init__(
 
         self.nx_graph = thermal_network.to_nx_graph()
 
-        assert nx.algorithms.tree.is_tree(self.nx_graph),\
+        assert nx.algorithms.tree.is_tree(self.nx_graph), \
             "Currently, only tree networks can be modeled. " \
             "Looped networks are not implemented yet."
 
@@ -270,7 +270,7 @@ def _calculate_pipes_mass_flow(self):
                 rcond=None
             )
 
-            assert residuals < self.tolerance,\
+            assert residuals < self.tolerance, \
                 f"Residuals {residuals} are larger than tolerance {self.tolerance}!"
 
             pipes_mass_flow.update({t: x})

examples/optimisation/precalculation/hydraulic_precalculation.py

@@ -2,7 +2,7 @@
 import pandas as pd
 import matplotlib.pyplot as plt
 
-from dhnx.optimization.precalc_hydraulic import v_max_bisection,\
+from dhnx.optimization.precalc_hydraulic import v_max_bisection, \
     calc_mass_flow, calc_power, v_max_secant
 
 df = pd.read_csv("Pipe_data.csv", sep=";")

tests/helpers.py

@@ -107,7 +107,7 @@ def check_if_csv_dirs_equal(dir_a, dir_b, **kwargs):
 
     diff = list(set(f_names_a).symmetric_difference(set(f_names_b)))
 
-    assert not diff,\
+    assert not diff, \
         f"Lists of filenames are not the same." \
         f" The diff is: {diff}"