STY: Apply ruff/refurb rule FURB113

	 FURB113 Use `list.extend(...)` instead of repeatedly calling `list.append()`

Author: DimitriPapadopoulos

nipype/interfaces/ants/registration.py

@@ -1127,14 +1127,10 @@ def _format_metric_argument(**kwargs):
         return retval
 
     def _format_transform(self, index):
-        retval = []
-        retval.append("%s[ " % self.inputs.transforms[index])
         parameters = ", ".join(
             [str(element) for element in self.inputs.transform_parameters[index]]
         )
-        retval.append("%s" % parameters)
-        retval.append(" ]")
-        return "".join(retval)
+        return f"{self.inputs.transforms[index]}[ {parameters} ]"
 
     def _format_registration(self):
         retval = []

nipype/pipeline/engine/workflows.py

@@ -483,12 +483,8 @@ def write_graph(
     def write_hierarchical_dotfile(
         self, dotfilename=None, colored=False, simple_form=True
     ):
-        dotlist = ["digraph %s{" % self.name]
-        dotlist.append(
-            self._get_dot(prefix="  ", colored=colored, simple_form=simple_form)
-        )
-        dotlist.append("}")
-        dotstr = "\n".join(dotlist)
+        dotlist = self._get_dot(prefix="  ", colored=colored, simple_form=simple_form)
+        dotstr = f"digraph {self.name}{{\n{dotlist}\n}}"
         if dotfilename:
             fp = open(dotfilename, "w")
             fp.writelines(dotstr)
@@ -1068,23 +1064,27 @@ def _get_dot(
                 nodename = fullname.replace(".", "_")
                 dotlist.append("subgraph cluster_%s {" % nodename)
                 if colored:
-                    dotlist.append(
-                        prefix + prefix + 'edge [color="%s"];' % (colorset[level + 1])
-                    )
-                    dotlist.append(prefix + prefix + "style=filled;")
-                    dotlist.append(
-                        prefix + prefix + 'fillcolor="%s";' % (colorset[level + 2])
+                    dotlist.extend(
+                        (
+                            prefix
+                            + prefix
+                            + 'edge [color="%s"];' % (colorset[level + 1]),
+                            prefix + prefix + "style=filled;",
+                            prefix + prefix + 'fillcolor="%s";' % (colorset[level + 2]),
+                        )
                     )
-                dotlist.append(
-                    node._get_dot(
-                        prefix=prefix + prefix,
-                        hierarchy=hierarchy + [self.name],
-                        colored=colored,
-                        simple_form=simple_form,
-                        level=level + 3,
+                dotlist.extend(
+                    (
+                        node._get_dot(
+                            prefix=prefix + prefix,
+                            hierarchy=hierarchy + [self.name],
+                            colored=colored,
+                            simple_form=simple_form,
+                            level=level + 3,
+                        ),
+                        "}",
                     )
                 )
-                dotlist.append("}")
             else:
                 for subnode in self._graph.successors(node):
                     if node._hierarchy != subnode._hierarchy:

nipype/utils/docparse.py

@@ -166,13 +166,7 @@ def insert_doc(doc, new_items):
     # Add rest of documents
     tmpdoc.extend(doclist[2:])
     # Insert newlines
-    newdoc = []
-    for line in tmpdoc:
-        newdoc.append(line)
-        newdoc.append("\n")
-    # We add one too many newlines, remove it.
-    newdoc.pop(-1)
-    return "".join(newdoc)
+    return "\n".join(tmpdoc)
 
 
 def build_doc(doc, opts):