[BUG]: Parser crash from importing nonexistant module and using with statement

[isuckatcs]

Bug description

from collections.foo import bar


fn main() raises:
    with open("/dev/stdin", "r") as stdin:
        pass

error: unable to locate module 'foo'
from collections.foo import bar
     ^
@"$collections"::@"$vector"::@DynamicVector
mojo: /__w/modular/modular/KGEN/lib/MojoParser/DeclResolver.cpp:679: M::KGEN::LIT::ASTDecl &M::KGEN::LIT::DeclResolver::getDeclForTypeSymbol(mlir::SymbolRefAttr) const: Assertion `it != declForTypeSymbol.end() && "Unknown decl symbol!"' failed.
Please submit a bug report to https://github.com/modularml/mojo/issues and include the crash backtrace along with all the relevant source codes.
Stack dump:
0.      Program arguments: mojo repro.mojo
1.      Crash resolving decl body at loc(".../repro.mojo":4:1)
    >> fn main() raises:
       ^................
    >>     with open("/dev/stdin", "r") as stdin:
       .........................................<
2.      Crash parsing statement at loc(".../repro.mojo":5:5)
    >>     with open("/dev/stdin", "r") as stdin:
           ^....................................<

If the with statement is not present, the crash does not occur.

from collections.foo import bar


fn main() raises:
    # with open("/dev/stdin", "r") as stdin:
    pass

error: unable to locate module 'foo'
from collections.foo import bar
     ^
mojo: error: failed to parse the provided Mojo

Steps to reproduce

• run the snippet in the description with mojo

System information

- Ubuntu 22.04.3 LTS (WSL 2)
- mojo 0.6.1 (876ded2e)
- modular 0.3.1 (589ce200)