deps: update mypy check.

.github/workflows/continuous-integration-workflow.yml

@@ -62,12 +62,11 @@ jobs:
       - name: Setup Python
         uses: actions/setup-python@v1
         with:
-          python-version: '3.8'
+          python-version: '3.9'
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install mypy==0.800
-          pip install .
+          pip install -r requirements-dev.txt
       - name: Run mypy check
         run: mypy -p stellar_sdk
 
@@ -80,7 +79,7 @@ jobs:
       - name: Setup Python
         uses: actions/setup-python@v1
         with:
-          python-version: '3.7'
+          python-version: '3.9'
 
       - name: Install dependencies
         run: |

Pipfile

@@ -12,6 +12,9 @@ sphinx-autodoc-typehints = "*"
 pytest-timeout = "*"
 pytest-asyncio = "*"
 pytest-httpserver = "*"
+types-requests = "*"
+types-toml = "*"
+mypy = "==0.910"
 
 [packages]
 pynacl = "*"

requirements-dev.txt

@@ -28,6 +28,8 @@ jinja2==3.0.1; python_version >= '3.6'
 markupsafe==2.0.1; python_version >= '3.6'
 mnemonic==0.20
 multidict==5.1.0; python_version >= '3.6'
+mypy-extensions==0.4.3
+mypy==0.910
 packaging==21.0; python_version >= '3.6'
 pluggy==0.13.1; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'
 py==1.10.0; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'
@@ -55,6 +57,8 @@ sphinxcontrib-qthelp==1.0.3; python_version >= '3.5'
 sphinxcontrib-serializinghtml==1.1.5; python_version >= '3.5'
 stellar-base-sseclient==0.0.21
 toml==0.10.2
+types-requests==2.25.0
+types-toml==0.1.3
 typing-extensions==3.10.0.0
 urllib3==1.26.6; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4' and python_version < '4'
 werkzeug==2.0.1; python_version >= '3.6'

stellar_sdk/sep/mnemonic.py

@@ -46,7 +46,7 @@ def __init__(self, language: Union[str, Language] = Language.ENGLISH) -> None:
 
         super().__init__(language)
 
-    def to_seed(self, mnemonic: str, passphrase: str = "", index: int = 0) -> bytes:
+    def to_seed(self, mnemonic: str, passphrase: str = "", index: int = 0) -> bytes:  # type: ignore[override]
         if not self.check(mnemonic):
             raise ValueError(
                 "Invalid mnemonic, please check if the mnemonic is correct, "