fix: encoding to blike

app.py

@@ -53,8 +53,8 @@ def make_all(numbers) -> dict:
     mdFile.new_table(columns=len(d)+1, rows=2, text=list_of_strings, text_align='center')
     mdFile.create_md_file()
 
-    with open("Практическая работа по статистике.md", "rb", encoding="utf-8") as f:
-        mdfile_enc = base64.b64encode(f.read())
+    with open("Практическая работа по статистике.md", encoding="utf-8") as f:
+        mdfile_enc = base64.b64encode(f.read().encode("utf-8"))
 
     return {
         "Range": rng,