diff --git a/NgramModel.py b/NgramModel.py
index 05217ef..8fc88c1 100644
--- a/NgramModel.py
+++ b/NgramModel.py
@@ -21,9 +21,11 @@ def __init__(self, n: int, name="", auto_pickle=False):
         """
         self.n = n
         self.pickle_path = self.pathify(name or self.gen_pickle_name())
-        if path.exists(self.pickle_path):  # Ask if they intend to overwrite existing pickle
-            if input(f"overwrite {self.pickle_path}? (Y/N)\n").upper() != "Y":
-                self.pickle_path = self.pathify(self.gen_pickle_name())
+        if (
+            path.exists(self.pickle_path)
+            and input(f"overwrite {self.pickle_path}? (Y/N)\n").upper() != "Y"
+        ):
+            self.pickle_path = self.pathify(self.gen_pickle_name())
         self.context_options: dict[tuple, Counter[str]] = defaultdict(Counter)
         # dict [context, Counter of possible tokens]
         self.num_tweets = 0
@@ -44,12 +46,10 @@ def generate_Ngrams(self, string: str):
         words = string.split(" ")
         words = [self.start] * (self.n - 1) + words + [self.end] * (self.n - 1)
 
-        list_of_tup = []
-
-        for i in range(len(words) + 1 - self.n):
-            list_of_tup.append((tuple(words[i + j] for j in range(self.n - 1)), words[i + self.n - 1]))
-
-        return list_of_tup
+        return [
+            (tuple(words[i + j] for j in range(self.n - 1)), words[i + self.n - 1])
+            for i in range(len(words) + 1 - self.n)
+        ]
 
     def backup(self):
         os.makedirs("models", exist_ok=True)
@@ -89,7 +89,7 @@ def get_word_prob(self, context: tuple, token: str):
         # return self.ngram_count[(context, token)] / context_freq
 
     def calculate_freq(self, context: tuple):
-        freq = sum(freq for freq in self.context_options[context].values())
+        freq = sum(self.context_options[context].values())
         self.context_freq_cache[self, context] = freq
         return freq
 
diff --git a/browser.py b/browser.py
index 6625360..27af955 100644
--- a/browser.py
+++ b/browser.py
@@ -30,5 +30,6 @@ def get_pin(url):
 
     time.sleep(5)
 
-    pin = driver.find_element(By.CSS_SELECTOR, "kbd > code").get_attribute("innerText")
-    return pin
+    return driver.find_element(By.CSS_SELECTOR, "kbd > code").get_attribute(
+        "innerText"
+    )
diff --git a/main.py b/main.py
index 296cd88..fd92439 100644
--- a/main.py
+++ b/main.py
@@ -54,8 +54,7 @@ def log_and_backup():
 
 if __name__ == "__main__":
     for i in signal.valid_signals():
-        if (i == signal.SIGKILL or
-                i == signal.SIGSTOP):
+        if i in [signal.SIGKILL, signal.SIGSTOP]:
             continue
         signal.signal(i, exit_gracefully)
 
diff --git a/twitter.py b/twitter.py
index ae6d7cc..ba66deb 100644
--- a/twitter.py
+++ b/twitter.py
@@ -73,7 +73,7 @@ def get_tweets(self, keyword: str) -> list[str]:
         :return: a list of tweets returned as strings
         """
         search_param["query"] = keyword
-        to_return = dict()
+        to_return = {}
         # noinspection PyBroadException
         try:
             to_return = requests.get(Twitter.__search_url, search_param, auth=self.bearer_oauth).json()