[FusedDense] Run black on fused_dense.py

csrc/flash_attn/src/flash_bwd_kernel.h

@@ -822,7 +822,7 @@ inline __device__ void compute_dq_dk_dv_1colblock(const Params &params, const in
             // Putting this causal masking right after acc_s is *much* slower for some reason.
             // TD [2023-08-16]: We need the 2nd condition because if seqlen_q is long and seqlen_k is short
             // (e.g., 256 and 2), the 2nd block of seqlen_q (from 128 to 255), we're not doing causal masking.
-            // But we still want to mask out elements not beyond actual_seqlen_k.
+            // But we still want to mask out elements beyond actual_seqlen_k.
             if (m_block * kBlockM < (n_block + 1) * kBlockN
                 || (!Is_even_MN && (n_block + 1) * kBlockN >= binfo.actual_seqlen_k)) {
                 flash::apply_mask_causal(scores, n_block * kBlockN + (tidx / 32 / AtomLayoutMS) * MMA_N_SdP * 16,

pyproject.toml

+[tool.black]
+line-length = 100
+target-version = ['py38']
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