[pre-commit.ci] auto fixes from pre-commit.com hooks

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Author: pre-commit-ci[bot]

physics/hamiltonian.py

@@ -77,7 +77,9 @@ def classical_hamiltonian(mass: float, momentum: Any, potential_energy: Any) ->
     return h
 
 
-def quantum_hamiltonian_1d(mass: float, hbar: float, potential_energy: Any, dx: float) -> np.ndarray:
+def quantum_hamiltonian_1d(
+    mass: float, hbar: float, potential_energy: Any, dx: float
+) -> np.ndarray:
     """
     Construct the 1D quantum Hamiltonian matrix using finite differences.