diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index a674b422558321cbcf728371af710ed6ae3dc143..7c25d257e438ea1bf0d34b710b9bbe3d3601e2ce 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -6,7 +6,6 @@ cache:
 
 stages:
   - check_style
-  - testing
   - build
   - deploy
 
@@ -18,11 +17,6 @@ pep8:
   script:
     - tox -v -e pep8
 
-unittest:
-  stage: testing
-  script:
-    - tox -v -e unittest
-
 build_image:
   stage: build
   image: 'docker:18.09.7'
diff --git a/entrypoint.py b/entrypoint.py
index ed2b810ea1806d0227ca5eb572a628284a8a5480..923f19c8b1308662e247e53c55a9355b4c8f29d4 100755
--- a/entrypoint.py
+++ b/entrypoint.py
@@ -5,13 +5,18 @@ import configparser
 import sys
 
 parser = configparser.ConfigParser()
-parser.read('config.ini')
+parser.read("config.ini")
 
-s3_endpoint = parser['deployment'].get('s3_endpoint', 'https://s3.clarin-pl.eu')
-s3_location = parser["deployment"].get("models_s3_location", "s3://workers/punctuator/models_2_0")
+s3_endpoint = parser["deployment"].get("s3_endpoint", "https://s3.clarin-pl.eu")
+s3_location = parser["deployment"].get(
+    "models_s3_location", "s3://workers/punctuator/models_2_0"
+)
 local_models_location = parser["deployment"].get("models_cache_dir", "/tmp/models")
 
-cmd = f"aws --no-sign-request --endpoint-url \"{s3_endpoint}\" s3 sync --delete \"{s3_location}\" \"{local_models_location}\""
+cmd = (
+    f'aws --no-sign-request --endpoint-url "{s3_endpoint}" s3 sync --delete'
+    f' "{s3_location}" "{local_models_location}"'
+)
 run(cmd, shell=True)
 
-run(["python", "worker.py"] + sys.argv[1:])
\ No newline at end of file
+run(["python", "worker.py"] + sys.argv[1:])
diff --git a/src/language_tool.py b/src/language_tool.py
index 607a91a92eb92a8a8b0b5cfe19ab2e1170e25c62..abb47a44ef6e4a6c977141b5f627b816ab6a756c 100644
--- a/src/language_tool.py
+++ b/src/language_tool.py
@@ -6,24 +6,23 @@ class LanguageToolFixer:
     def __init__(self, lt_cache: str):
         self.lt_cache = lt_cache
         os.environ["LTP_PATH"] = lt_cache
-        
+
         self.tools = {
-            'pl': language_tool_python.LanguageTool('pl-PL'),
-            'en': language_tool_python.LanguageTool('en-US'),
-            'ru': language_tool_python.LanguageTool('ru-RU'),
+            "pl": language_tool_python.LanguageTool("pl-PL"),
+            "en": language_tool_python.LanguageTool("en-US"),
+            "ru": language_tool_python.LanguageTool("ru-RU"),
         }
-        
+
     def _post_process(self, text: str, tool):
         matches = tool.check(text)
         matches = [rule for rule in matches if not self._is_punctuation_rule(rule)]
         return language_tool_python.utils.correct(text, matches)
 
     def _is_punctuation_rule(self, rule):
-        lambda rule: rule.category != "PUNCTUATION" and len(rule.replacements) 
-        
+        lambda rule: rule.category != "PUNCTUATION" and len(rule.replacements)
+
     def fix_punctuation(self, text: str, lang: str) -> str:
         if lang in self.tools.keys():
             return self._post_process(text, self.tools[lang])
         else:
             return text
-        
\ No newline at end of file
diff --git a/src/punctuator_worker.py b/src/punctuator_worker.py
index a0a1bd8a7ce48080e9c5f705581e45f400ae06ac..4c69777587b5cdff35268ccd0befdd415271ef3e 100644
--- a/src/punctuator_worker.py
+++ b/src/punctuator_worker.py
@@ -9,24 +9,27 @@ from punctuator import Punctuator
 from src.language_tool import LanguageToolFixer
 import logging
 
-class PunctuatorWorker:
-    DEFAULT_MODEL = 'pl'
-
-    def __init__(self,
-                 models_location: str,
-                 languagetool_location: Optional[str],
-                 max_context_size: int = 256,
-                 overlap: int = 20,
-                 device: str = 'cpu',
-                 ):
 
-        logging.info('Loading models...')
+class PunctuatorWorker:
+    DEFAULT_MODEL = "pl"
+
+    def __init__(
+        self,
+        models_location: str,
+        languagetool_location: Optional[str],
+        max_context_size: int = 256,
+        overlap: int = 20,
+        device: str = "cpu",
+    ):
+
+        logging.info("Loading models...")
         self.models = {
             Path(language_model_dir).stem: Punctuator(
-                language_model_dir, max_context_size, overlap)
+                language_model_dir, max_context_size, overlap
+            )
             for language_model_dir in glob(models_location + "/*")
         }
-        
+
         if languagetool_location is not None:
             self.lt = LanguageToolFixer(languagetool_location)
         else:
@@ -53,7 +56,7 @@ class PunctuatorWorker:
             f.write(punctuated_text)
 
     def _set_active_model(self, model_language):
-        self.models[self.active_model].to('cpu')
+        self.models[self.active_model].to("cpu")
         self.models[model_language].to(self.device)
 
         self.active_model = model_language
diff --git a/tox.ini b/tox.ini
index 5de4ec618b54b8d3d04492c1e2d7031974480430..29e0f9793f7cbc750d87774ceb06ff77173ecc0e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -2,16 +2,10 @@
 envlist = unittest,pep8
 skipsdist = True
 
-[testenv]
-deps =  -rrequirements.txt 
-        pytest >= 6.0.1
-
-[testenv:unittest]
-commands = pytest
-
 [flake8]
 exclude =
-     .tox,
+    venv,
+    .tox,
     .git,
     __pycache__,
     docs/source/conf.py,
diff --git a/worker.py b/worker.py
index f20e17430b732a55ab25904eb3ce9a16d8dc7513..33109baaee5e3a873efc7ce883a8984fe7880d97 100644
--- a/worker.py
+++ b/worker.py
@@ -13,19 +13,17 @@ class Worker(nlp_ws.NLPWorker):
         config = configparser.ConfigParser()
         config.read("config.ini")
         config = config["deployment"]
-        
-        models_cache_dir = config.get("models_cache_dir", '/home/worker/models')
-        languagetool_cache_dir = config.get("languagetool_cache_dir", '/home/worker/languagetool')
-        max_context_size = int(config.get("max_context_size", '256'))
-        overlap = int(config.get("overlap", '20'))
-        device = config.get("device", 'cpu')
-        
+
+        models_cache_dir = config.get("models_cache_dir", "/home/worker/models")
+        languagetool_cache_dir = config.get(
+            "languagetool_cache_dir", "/home/worker/languagetool"
+        )
+        max_context_size = int(config.get("max_context_size", "256"))
+        overlap = int(config.get("overlap", "20"))
+        device = config.get("device", "cpu")
+
         self.punctuator = PunctuatorWorker(
-            models_cache_dir,
-            languagetool_cache_dir,
-            max_context_size,
-            overlap,
-            device                        
+            models_cache_dir, languagetool_cache_dir, max_context_size, overlap, device
         )
 
     def process(self, input_path: str, task_options: dict, output_path: str) -> None:
@@ -36,31 +34,23 @@ def perform_fast_test():
     config = configparser.ConfigParser()
     config.read("config.ini")
     config = config["deployment"]
-    
-    models_cache_dir = config.get("models_cache_dir", '/home/worker/models')
-    languagetool_cache_dir = config.get("languagetool_cache_dir", '/home/worker/languagetool')
-    max_context_size = int(config.get("max_context_size", '256'))
-    overlap = int(config.get("overlap", '20'))
-    device = config.get("device", 'cpu')
-    
-    punctuator = PunctuatorWorker(
-        models_cache_dir,
-        languagetool_cache_dir,
-        max_context_size,
-        overlap,
-        device                        
-    )
 
-    punctuator.process(
-        "/test/input/pl.txt", {"language": "pl"}, "/test/output/pl.txt"
+    models_cache_dir = config.get("models_cache_dir", "/home/worker/models")
+    languagetool_cache_dir = config.get(
+        "languagetool_cache_dir", "/home/worker/languagetool"
     )
-    punctuator.process(
-        "/test/input/en.txt", {"language": "en"}, "/test/output/en.txt"
-    )
-    punctuator.process(
-        "/test/input/ru.txt", {"language": "ru"}, "/test/output/ru.txt"
+    max_context_size = int(config.get("max_context_size", "256"))
+    overlap = int(config.get("overlap", "20"))
+    device = config.get("device", "cpu")
+
+    punctuator = PunctuatorWorker(
+        models_cache_dir, languagetool_cache_dir, max_context_size, overlap, device
     )
 
+    punctuator.process("/test/input/pl.txt", {"language": "pl"}, "/test/output/pl.txt")
+    punctuator.process("/test/input/en.txt", {"language": "en"}, "/test/output/en.txt")
+    punctuator.process("/test/input/ru.txt", {"language": "ru"}, "/test/output/ru.txt")
+
 
 if __name__ == "__main__":
     parser = argparse.ArgumentParser()