Fix adding a new book without a filemain

`book_path` was not defined, use `book_source` instead in condition.

1 files changed, 3 insertions, 3 deletions

diff --git a/cli/new/command.py b/cli/new/command.py
index dae0be7..17b686c 100644
--- a/cli/new/command.py
+++ b/cli/new/command.py
@@ -32,7 +32,7 @@ def run(books_library, book_source=None):
     metadata_path = f'{output_dir}/metadata.toml'
     cover_path = f'{output_dir}/cover.webp'
 
-    if not book_source is None:
+    if book_source is not None:
         ext = format.extension(book_source)
         book_path = f'{output_dir}/book{ext}'
         book_source_dir = os.path.dirname(os.path.realpath(book_source))
@@ -55,7 +55,7 @@ def run(books_library, book_source=None):
     # Ask for confirmation
 
     print(f'About to create:\n\n- {metadata_path}\n- {cover_path}')
-    if not book_source is None:
+    if book_source is not None:
         print(f'- {book_path}')
         print(f'\nAnd moving:\n\n {book_source},\n -> {book_source_new}.')
     print()
@@ -68,7 +68,7 @@ def run(books_library, book_source=None):
     download_cover(cover_url, cover_path)
     with open(metadata_path, 'w') as f:
         f.write(metadata)
-    if not book_path is None:
+    if book_source is not None:
         shutil.copyfile(book_source, book_path)
         if format.extension(book_source) in ['mobi', 'azw3']:
             os.rename(book_source, book_source_new)