STY: fixed style

src/caosdb/utils/plantuml.py

@@ -168,8 +168,6 @@ hide circle\n
     else:
         raise ValueError("Unknown style.")
 
-    
-
     if add_properties:
         result += "package Properties #DDDDDD {\n"
         for p in properties:
@@ -381,6 +379,8 @@ def to_graphics(recordtypes: list[db.Entity], filename: str,
                 print("Executing:", cmd)
 
             if os.system(cmd) != 0:  # TODO: replace with subprocess.run
-                raise Exception("An error occured during the execution of plantuml. "
+                raise Exception("An error occured during the execution of "
+                                "plantuml. "
                                 "Is plantuml installed?")
-            shutil.copy(os.path.join(td, filename + "." + extension), output_dirname)
+            shutil.copy(os.path.join(td, filename + "." + extension),
+                        output_dirname)