Rename All image files

main.py

import os
import magic


if __name__ == "__main__":
    files = []
    path = "/home/uilian/Development/conan/docs"
    # r=root, d=directories, f = files
    for r, d, f in os.walk(path):
        for file in f:
            file_path = os.path.join(r, file)
            if "image" in magic.from_file(file_path) or \
                file.endswith(".png") or \
                file.endswith(".jpg"):

                print(f"Found {file}")

                if file.startswith("conan-"):
                    continue
                elif file.startswith("conan_"):
                    new_file = file.replace("conan_", "conan-")
                    new_path = os.path.join(r, new_file)

                    print(f"Rename {file_path} : {new_path}")
                    os.rename(file_path, new_path)

                    command = "find {} -type f -name '*.rst' | xargs sed -i 's/{}/{}/g'".format(
                        path, file.replace(".", r"\."), new_file)
                    os.system(command)
                else:
                    new_file = "conan-" + file
                    new_path = os.path.join(r, new_file)
                    print(f"Rename {file_path} : {new_path}")
                    os.rename(file_path, new_path)

                    command = "find {} -type f -name '*.rst' | xargs sed -i 's/{}/{}/g'".format(
                        path, file.replace(".", r"\."), new_file)
                    os.system(command)

Creating heroku-postgresql:hobby-dev on ⬢ adsvim... ⣾
(node:22785) [DEP0066] DeprecationWarning:Creating heroku-postgresql:hobby-dev on ⬢ adsvim... free
Database has been created and is available
 ! This database is empty. If upgrading, you can transfer
 ! data from another database with pg:copy
Created postgresql-symmetrical-93636 as HEROKU_POSTGRESQL_PURPLE_URL
Use heroku addons:docs heroku-postgresql to view documentation]

I tried installing the prostgresql database see error.. Help bro

Please help me why this error on the terminal

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