Fix various typos (#740)

README.md

@@ -116,7 +116,7 @@ for details.
 
 Sometimes pyanalyze gets things wrong and you need to ignore an error it emits. This can be done as follows:
 
-- Add `# static analysis: ignore` on a line by itself before the line that generates the erorr.
+- Add `# static analysis: ignore` on a line by itself before the line that generates the error.
 - Add `# static analysis: ignore` at the end of the line that generates the error.
 - Add `# static analysis: ignore` at the top of the file; this will ignore errors in the entire file.
 

docs/type_evaluation.md

@@ -613,7 +613,7 @@ ways:
   so that users have time to adapt before the runtime code
   is broken.
 
-As an example, this is the current implemenation of `sum()`
+As an example, this is the current implementation of `sum()`
 in typeshed:
 
     if sys.version_info >= (3, 8):

pyanalyze/analysis_lib.py

@@ -40,7 +40,7 @@ def files_with_extension_from_directory(
 
 
 def get_indentation(line: str) -> int:
-    """Returns the indendation of a line of code."""
+    """Returns the indentation of a line of code."""
     if len(line.lstrip()) == 0:
         # if it is a newline or a line with just spaces
         return 0

pyanalyze/name_check_visitor.py

@@ -652,7 +652,7 @@ def __init__(
     ) -> None:
         self.options = options
         # we might not have examined all parent classes when looking for attributes set
-        # we dump them here. incase the callers want to extend coverage.
+        # we dump them here. in case the callers want to extend coverage.
         self.unexamined_base_classes = set()
         self.modules_examined = set()
         self.enabled = enabled
@@ -3117,7 +3117,7 @@ def _visit_single_formatted_value(
                 return TypedValue(str)
             if unsupported_conversion:
                 raise NotImplementedError(
-                    f"Unsupported converion specifier {node.conversion}"
+                    f"Unsupported conversion specifier {node.conversion}"
                 )
         try:
             output = format(output, format_spec)

pyanalyze/value.py

@@ -865,7 +865,7 @@ def can_assign(self, other: Value, ctx: CanAssignContext) -> CanAssign:
             if self.newtype is other.newtype:
                 return {}
             return CanAssignError(f"NewTypes {self} and {other} are not compatible")
-        # Alow e.g. int for a NewType over int, but not a subtype of int such as an
+        # Allow e.g. int for a NewType over int, but not a subtype of int such as an
         # IntEnum
         elif isinstance(other, TypedValue):
             if self.typ is not other.typ: