Move import adding to api.sort_imports

2 files changed, 5 insertions, 5 deletions

diff --git a/isort/api.py b/isort/api.py
index 6921287f..2ce9ead3 100644
--- a/isort/api.py
+++ b/isort/api.py
@@ -11,7 +11,7 @@ from .exceptions import (
     IntroducedSyntaxErrors,
     UnableToDetermineEncoding,
 )
-from .format import remove_whitespace, show_unified_diff
+from .format import remove_whitespace, show_unified_diff, format_natural
 from .io import File
 from .settings import DEFAULT_CONFIG, FILE_SKIP_COMMENT, Config
 
@@ -142,6 +142,7 @@ def sort_imports(
     - `output_stream`: Text stream to output sorted inputs into.
     - `config`: Config settings to use when sorting imports. Defaults settings.DEFAULT_CONFIG.
     """
+    add_imports = (format_natural(addition) for addition in config.add_imports)
     import_section: str = ""
     in_quote: str = ""
     first_comment_index_start: int = -1
@@ -208,6 +209,7 @@ def sort_imports(
 
         if not_imports:
             if import_section:
+                import_section += config.line_ending.join(add_imports)
                 import_section += line
                 if not contains_imports:
                     output_stream.write(import_section)
@@ -227,8 +229,10 @@ def sort_imports(
         if not contains_imports:
             output_stream.write(import_section)
         else:
+            import_section += config.line_ending.join(add_imports)
             output_stream.write(
                 output.sorted_imports(
                     parse.file_contents(import_section, config=config), config, extension
                 )
             )
+    output_stream.write(config.line_ending.join(add_imports))
diff --git a/isort/parse.py b/isort/parse.py
index 1b459119..a87461ff 100644
--- a/isort/parse.py
+++ b/isort/parse.py
@@ -133,16 +133,12 @@ class ParsedContent(NamedTuple):
 def file_contents(contents: str, config: Config = DEFAULT_CONFIG) -> ParsedContent:
     """Parses a python file taking out and categorizing imports."""
     line_separator: str = config.line_ending or _infer_line_separator(contents)
-    add_imports = (format_natural(addition) for addition in config.add_imports)
     in_lines = contents.split(line_separator)
     out_lines = []
     original_line_count = len(in_lines)
     section_comments = [f"# {heading}" for heading in config.import_headings.values()]
     finder = FindersManager(config=config)
 
-    if original_line_count > 1 or in_lines[:1] not in ([], [""]) or config.force_adds:
-        in_lines.extend(add_imports)
-
     line_count = len(in_lines)
 
     place_imports: Dict[str, List[str]] = {}