Run recent black version

src/oemof/tabular/constraint_facades.py

@@ -21,7 +21,7 @@ def build_constraint(self, model):
 
         # check if there are flows with key
         flows = {}
-        for (i, o) in model.flows:
+        for i, o in model.flows:
             if hasattr(model.flows[i, o], self.keyword):
                 flows[(i, o)] = model.flows[i, o]
 

src/oemof/tabular/datapackage/building.py

@@ -374,7 +374,6 @@ def download_data(url, directory="cache", unzip_file=None, **kwargs):
         return filepath
 
     else:
-
         if scheme in ["http", "https"]:
             _http(url, copypath)
 

src/oemof/tabular/datapackage/reading.py

@@ -261,7 +261,6 @@ def resolve_foreign_keys(source):
                 and key in data
                 and source[key] in data[key]
             ):
-
                 source[key] = data[key][source[key]]
 
             if isinstance(source[key], cabc.MutableMapping):
@@ -504,7 +503,6 @@ def listify(x, n=None):
             resources.append(r)
 
     for resource in resources:
-
         resource_data = resource.read(keyed=True, relations=True)
 
         for rw in resource_data:

src/oemof/tabular/facades.py

@@ -53,7 +53,6 @@ def kwargs_to_parent(cls):
     original_init = cls.__init__
 
     def new_init(self, *args, **kwargs):
-
         # pass only those kwargs to the dataclass which are expected
         dataclass_kwargs = {
             key: value

tests/test_constraints.py

@@ -42,7 +42,7 @@ def normalize_to_positive_results(lines):
         + 1
         for nri in negative_result_indices
     ]
-    for (start, end) in zip(equation_start_indices, negative_result_indices):
+    for start, end in zip(equation_start_indices, negative_result_indices):
         for n in range(start, end):
             lines[n] = (
                 "-"

tests/test_examples.py

@@ -53,7 +53,6 @@ def test_example_datapackage_readability():
     for example in pkg.resource_listdir(
         "oemof.tabular", "examples/datapackages"
     ):
-
         print("Runnig reading datapackage example {} ...".format(example))
         systems.append(
             ES.from_datapackage(