diff --git a/.github/CONTRIBUTING.md b/.github/CONTRIBUTING.md
index 465f339..88c5f02 100644
--- a/.github/CONTRIBUTING.md
+++ b/.github/CONTRIBUTING.md
@@ -8,7 +8,7 @@ This guide will help you get started.
 1. Clone the repository:
 
     ```bash
-    git clone https://github.com/your-username/aeonview.git
+    git clone https://github.com/ivuorinen/aeonview.git
     cd aeonview
     ```
 
@@ -17,7 +17,7 @@ This guide will help you get started.
     ```bash
     python3 -m venv venv
     source venv/bin/activate
-    pip install -r dev-requirements.txt
+    pip install -r requirements.txt
     ```
 
 3. Install pre-commit hooks:
diff --git a/README.md b/README.md
index 0401d7a..8516c74 100644
--- a/README.md
+++ b/README.md
@@ -14,14 +14,14 @@ Includes developer tooling and tests.
 
 [![CI][ci-b]][ci-l] [![ruff][cc-b]][cc-l] [![MIT][lm-b]][lm-l]
 
-Low quality sample: [aeonview 2min preview/Tampere Jan. 2008][sample]
+Low-quality sample: [aeonview 2min preview/Tampere Jan. 2008][sample]
 
 ## Features
 
 - Timelapse image capture (`--mode image`)
 - Video generation (`--mode video`)
 - Support for daily, monthly, yearly video runs *(daily implemented)*
-- Uses `ffmpeg` and `curl`
+- Uses `ffmpeg` and Python `requests`
 - Fully tested with `pytest`
 - Linting and formatting via `ruff`
 - Pre-commit hooks and CI-ready
@@ -29,10 +29,9 @@ Low quality sample: [aeonview 2min preview/Tampere Jan. 2008][sample]
 ## Requirements
 
 - Python 3.13+
-- `ffmpeg` and `curl` (system tools)
+- `ffmpeg` (system tool)
 - lots of hard drive space
 - Optional: `pyenv` for managing Python versions
-  (see `pyenv_requirements`)
 
 ## Installation
 
diff --git a/aeonview.py b/aeonview.py
index 765fdd9..ecf43e2 100644
--- a/aeonview.py
+++ b/aeonview.py
@@ -3,7 +3,6 @@ from __future__ import annotations
 import argparse
 import hashlib
 import logging
-import os
 import subprocess
 import sys
 from datetime import datetime, timedelta
@@ -240,7 +239,10 @@ class AeonViewVideos:
 
         if not self.simulate:
             logging.info("Running ffmpeg command: %s", " ".join(ffmpeg_cmd))
-            if not os.path.exists(output_dir):
+            if not input_dir.exists():
+                logging.error("Input directory %s does not exist", input_dir)
+                sys.exit(1)
+            if not output_dir.exists():
                 AeonViewHelpers.mkdir_p(output_dir)
             subprocess.run(ffmpeg_cmd, check=True)
             logging.info(
@@ -481,7 +483,7 @@ class AeonViewApp:
             self.base_path, self.args.project
         )
 
-        if not os.path.exists(project_path):
+        if not project_path.exists():
             logging.error("Project path %s does not exist.", project_path)
             sys.exit(1)
 
diff --git a/aeonview_test.py b/aeonview_test.py
index 300cd09..8f757bd 100644
--- a/aeonview_test.py
+++ b/aeonview_test.py
@@ -174,25 +174,30 @@ def test_download_image_failure(mock_get):
         avi.download_image(destination)
 
 
-@mock.patch("aeonview.AeonViewHelpers.mkdir_p")
 @mock.patch("subprocess.run")
-def test_generate_daily_video(mock_subprocess_run, mock_mkdir_p):
-    args = argparse.Namespace(
-        simulate=False,
-        fps=10,
-        day="01",
-        month="04",
-        year="2025"
-    )
-    avv = AeonViewVideos(default_test_path, args)
-    with mock.patch("aeonview.logging.info") as log:
-        avv.generate_daily_video()
-        last_call_args = log.call_args_list[-1][0]
-        assert last_call_args[0] == "%s: %s"
-        assert last_call_args[1] == AeonViewMessages.VIDEO_GENERATION_SUCCESS
-        assert last_call_args[2] == default_test_path / "vid/2025-04/01.mp4"
-
-    mock_mkdir_p.assert_called()
+def test_generate_daily_video(mock_subprocess_run):
+    with tempfile.TemporaryDirectory() as tmp:
+        project_path = Path(tmp).resolve()
+        args = argparse.Namespace(
+            simulate=False,
+            fps=10,
+            day="01",
+            month="04",
+            year="2025"
+        )
+        avv = AeonViewVideos(project_path, args)
+        # Create input directory so the existence check passes
+        (project_path / "img" / "2025-04" / "01").mkdir(parents=True)
+        with mock.patch("aeonview.AeonViewHelpers.mkdir_p") as mock_mkdir_p:
+            with mock.patch("aeonview.logging.info") as log:
+                avv.generate_daily_video()
+                last_call_args = log.call_args_list[-1][0]
+                assert last_call_args[0] == "%s: %s"
+                assert last_call_args[1] == AeonViewMessages.VIDEO_GENERATION_SUCCESS
+                assert last_call_args[2] == (
+                    project_path / "vid" / "2025-04" / "01.mp4"
+                )
+            mock_mkdir_p.assert_called()
     mock_subprocess_run.assert_called()
 
 
diff --git a/requests.py b/requests.py
deleted file mode 100644
index 832846a..0000000
--- a/requests.py
+++ /dev/null
@@ -1,9 +0,0 @@
-class Response:
-    def __init__(self, status_code=200):
-        self.status_code = status_code
-
-    def iter_content(self, chunk_size=1024):
-        return iter([])
-
-def get(url, stream=False, timeout=0):
-    raise NotImplementedError("requests.get is not implemented")