Update export.py to include new F7 board, fix a typo & remove unecessary copy tree

aidge_export_arm_cortexm/export.py

@@ -13,6 +13,7 @@ BOARD_PATH : str = ROOT / "boards"
 
 BOARDS_MAP: dict[str, Path] = {
     "stm32h7" : BOARD_PATH / "stm32" / "H7",
+    "stm32f7" : BOARD_PATH / "stm32" / "F7",
 }
 
 def export(export_folder_name,
@@ -37,7 +38,7 @@ def supported_boards() -> list[str]:
 
 def gen_board_files(path:str, board:str)->None:
     if board not in supported_boards():
-        raise ValueError(f"Board {board} is not supported, supported board are:\n\t-{'\n\t-'.join(supported_boards())}")
+        raise ValueError(f"Board {board} is not supported, supported board are:{supported_boards()}")
 
     if isinstance(path, str): path = Path(path)
     # Create dnn directory is not exist
@@ -51,5 +52,4 @@ def gen_board_files(path:str, board:str)->None:
     shutil.copytree(BOARDS_MAP[board], str(path), dirs_exist_ok=True)
     # For N2D2 library, copy static folder to export/include
     dnn_include_folder = dnn_folder / "include"
-    os.makedirs(str(dnn_include_folder), exist_ok=True)
-    shutil.copytree(str(ROOT / "_N2D2" / "static"), str(dnn_include_folder), dirs_exist_ok=True)
+    os.makedirs(str(dnn_include_folder), exist_ok=True)
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