Temporarily revert src directory changes

src/black/__init__.py

@@ -6604,6 +6604,12 @@ def can_omit_invisible_parens(
 
     penultimate = line.leaves[-2]
     last = line.leaves[-1]
+    if line.should_explode:
+        try:
+            penultimate, last = last_two_except(line.leaves, omit=omit_on_explode)
+        except LookupError:
+            # Turns out we'd omit everything.  We cannot skip the optional parentheses.
+            return False
 
     if (
         last.type == token.RPAR
@@ -6677,6 +6683,27 @@ def _can_omit_closing_paren(line: Line, *, last: Leaf, line_length: int) -> bool
     return False
 
 
+def last_two_except(leaves: List[Leaf], omit: Collection[LeafID]) -> Tuple[Leaf, Leaf]:
+    """Return (penultimate, last) leaves skipping brackets in `omit` and contents."""
+    stop_after = None
+    last = None
+    for leaf in reversed(leaves):
+        if stop_after:
+            if leaf is stop_after:
+                stop_after = None
+            continue
+
+        if last:
+            return leaf, last
+
+        if id(leaf) in omit:
+            stop_after = leaf.opening_bracket
+        else:
+            last = leaf
+    else:
+        raise LookupError("Last two leaves were also skipped")
+
+
 def run_transformer(
     line: Line,
     transform: Transformer,

src/black_primer/primer.json

@@ -98,7 +98,7 @@
     },
     "sqlalchemy": {
       "cli_arguments": [],
-      "expect_formatting_changes": true,
+      "expect_formatting_changes": false,
       "git_clone_url": "https://github.com/sqlalchemy/sqlalchemy.git",
       "long_checkout": false,
       "py_versions": ["all"]